/* CSS Variables for Theme Switching */
:root {
    --success: #3ba55d;
    --warning: #faa81a;
    --danger: #ed4245;
}

body[data-theme="default"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --accent-primary: #1a1a1a;
    --accent-secondary: #2d3748;
    --bubble-tutor: rgba(248, 250, 252, 0.95);
    --bubble-user: linear-gradient(135deg, #1a1a1a 0%, #2d3748 100%);
    --gradient-bg: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #e2e8f0 100%);
    --shadow: rgba(0, 0, 0, 0.1);
    --border-color: #1a1a1a;
    --border-hover: rgba(26, 26, 26, 0.1);
    --checkbox-border: #1a1a1a;
    --glow-color: rgba(26, 26, 26, 0.3);
    --success: #3ba55d;
    --warning: #faa81a;
    --danger: #ed4245;
}

body[data-theme="dark-slate"] {
    --bg-primary: #36393f;
    --bg-secondary: #2f3136;
    --text-primary: #dcddde;
    --text-secondary: #b9bbbe;
    --accent-primary: #5865f2;
    --accent-secondary: #7289da;
    --bubble-tutor: rgba(47, 49, 54, 0.95);
    --bubble-user: linear-gradient(135deg, #5865f2 0%, #7289da 100%);
    --gradient-bg: linear-gradient(135deg, #36393f 0%, #2f3136 50%, #202225 100%);
    --shadow: rgba(0, 0, 0, 0.4);
    --border-color: #5865f2;
    --border-hover: rgba(88, 101, 242, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(88, 101, 242, 0.5);
}

body[data-theme="midnight"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --bubble-tutor: rgba(30, 41, 59, 0.95);
    --bubble-user: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 30%, #4c1d95 100%);
    --shadow: rgba(0, 0, 0, 0.5);
    --border-color: #6366f1;
    --border-hover: rgba(99, 102, 241, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(99, 102, 241, 0.5);
}

body[data-theme="ocean"] {
    --bg-primary: #0a1929;
    --bg-secondary: #1a2942;
    --text-primary: #e3f2fd;
    --text-secondary: #90caf9;
    --accent-primary: #0288d1;
    --accent-secondary: #00acc1;
    --bubble-tutor: rgba(26, 41, 66, 0.95);
    --bubble-user: linear-gradient(135deg, #0288d1 0%, #00acc1 100%);
    --gradient-bg: linear-gradient(135deg, #0a1929 0%, #1a2942 30%, #005073 100%);
    --shadow: rgba(0, 0, 0, 0.5);
    --border-color: #0288d1;
    --border-hover: rgba(2, 136, 209, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(2, 136, 209, 0.5);
}

body[data-theme="forest"] {
    --bg-primary: #0d1b0d;
    --bg-secondary: #1a2e1a;
    --text-primary: #e8f5e9;
    --text-secondary: #81c784;
    --accent-primary: #2e7d32;
    --accent-secondary: #43a047;
    --bubble-tutor: rgba(26, 46, 26, 0.95);
    --bubble-user: linear-gradient(135deg, #2e7d32 0%, #43a047 100%);
    --gradient-bg: linear-gradient(135deg, #0d1b0d 0%, #1a2e1a 30%, #1b5e20 100%);
    --shadow: rgba(0, 0, 0, 0.5);
    --border-color: #2e7d32;
    --border-hover: rgba(46, 125, 50, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(46, 125, 50, 0.5);
}

body[data-theme="sunset"] {
    --bg-primary: #1a0e0a;
    --bg-secondary: #2d1810;
    --text-primary: #fff3e0;
    --text-secondary: #ffab91;
    --accent-primary: #d84315;
    --accent-secondary: #ff6f00;
    --bubble-tutor: rgba(45, 24, 16, 0.95);
    --bubble-user: linear-gradient(135deg, #d84315 0%, #ff6f00 100%);
    --gradient-bg: linear-gradient(135deg, #1a0e0a 0%, #2d1810 30%, #bf360c 100%);
    --shadow: rgba(0, 0, 0, 0.5);
    --border-color: #d84315;
    --border-hover: rgba(216, 67, 21, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(216, 67, 21, 0.5);
}

body[data-theme="purple"] {
    --bg-primary: #1a0a1f;
    --bg-secondary: #2d1b3d;
    --text-primary: #f3e5f5;
    --text-secondary: #ce93d8;
    --accent-primary: #7b1fa2;
    --accent-secondary: #9c27b0;
    --bubble-tutor: rgba(45, 27, 61, 0.95);
    --bubble-user: linear-gradient(135deg, #7b1fa2 0%, #9c27b0 100%);
    --gradient-bg: linear-gradient(135deg, #1a0a1f 0%, #2d1b3d 30%, #4a148c 100%);
    --shadow: rgba(0, 0, 0, 0.5);
    --border-color: #7b1fa2;
    --border-hover: rgba(123, 31, 162, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(123, 31, 162, 0.5);
}

body[data-theme="cyber"] {
    --bg-primary: #0a0e1a;
    --bg-secondary: #151b2e;
    --text-primary: #e0ffff;
    --text-secondary: #7dd3fc;
    --accent-primary: #06b6d4;
    --accent-secondary: #0ea5e9;
    --bubble-tutor: rgba(21, 27, 46, 0.95);
    --bubble-user: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
    --gradient-bg: linear-gradient(135deg, #0a0e1a 0%, #151b2e 30%, #0e7490 100%);
    --shadow: rgba(6, 182, 212, 0.3);
    --border-color: #06b6d4;
    --border-hover: rgba(6, 182, 212, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(6, 182, 212, 0.6);
}

body[data-theme="crimson"] {
    --bg-primary: #1a0a0e;
    --bg-secondary: #2d1218;
    --text-primary: #fce7f3;
    --text-secondary: #f9a8d4;
    --accent-primary: #be123c;
    --accent-secondary: #e11d48;
    --bubble-tutor: rgba(45, 18, 24, 0.95);
    --bubble-user: linear-gradient(135deg, #be123c 0%, #e11d48 100%);
    --gradient-bg: linear-gradient(135deg, #1a0a0e 0%, #2d1218 30%, #9f1239 100%);
    --shadow: rgba(0, 0, 0, 0.5);
    --border-color: #be123c;
    --border-hover: rgba(190, 18, 60, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(190, 18, 60, 0.5);
}

body[data-theme="emerald"] {
    --bg-primary: #0a1a12;
    --bg-secondary: #15291f;
    --text-primary: #d1fae5;
    --text-secondary: #6ee7b7;
    --accent-primary: #059669;
    --accent-secondary: #10b981;
    --bubble-tutor: rgba(21, 41, 31, 0.95);
    --bubble-user: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --gradient-bg: linear-gradient(135deg, #0a1a12 0%, #15291f 30%, #047857 100%);
    --shadow: rgba(0, 0, 0, 0.5);
    --border-color: #059669;
    --border-hover: rgba(5, 150, 105, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(5, 150, 105, 0.5);
}

body[data-theme="amber"] {
    --bg-primary: #1a1508;
    --bg-secondary: #2d2410;
    --text-primary: #fef3c7;
    --text-secondary: #fcd34d;
    --accent-primary: #d97706;
    --accent-secondary: #f59e0b;
    --bubble-tutor: rgba(45, 36, 16, 0.95);
    --bubble-user: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
    --gradient-bg: linear-gradient(135deg, #1a1508 0%, #2d2410 30%, #b45309 100%);
    --shadow: rgba(0, 0, 0, 0.5);
    --border-color: #d97706;
    --border-hover: rgba(217, 119, 6, 0.2);
    --checkbox-border: rgba(255, 255, 255, 0.3);
    --glow-color: rgba(217, 119, 6, 0.5);
}

/* Theme Switcher */
.theme-switcher {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 999;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    box-shadow: 0 20px 60px var(--shadow), 0 0 0 1px var(--border-color);
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.theme-switcher:hover {
    transform: translateY(-2px);
    box-shadow: 0 25px 80px var(--shadow), 0 0 20px var(--glow-color);
}

.icon-button {
    width: 38px;
    height: 38px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.icon-button:hover {
    background: var(--bg-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-color);
}

.theme-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 8px;
    min-width: 220px;
    max-height: 400px;
    overflow-y: auto;
    box-shadow: 0 12px 48px var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    backdrop-filter: blur(20px);
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: 8px 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 4px;
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.theme-option:hover {
    background: var(--bg-primary);
    box-shadow: 0 0 20px var(--glow-color);
    transform: translateX(4px);
}

.theme-option.active {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    box-shadow: 0 0 20px var(--glow-color);
    transform: scale(1.02);
}

.theme-preview {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px var(--shadow);
}

.theme-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.theme-check {
    margin-left: auto;
    color: var(--accent-primary);
    font-size: 16px;
    opacity: 0;
    transition: opacity 0.2s;
}

.theme-option.active .theme-check {
    opacity: 1;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--gradient-bg);
    transition: all 0.5s ease;
    min-height: 100vh;
    padding-top: 80px; /* Space for fixed navbar */
}

/* Ensure all headings are visible */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 0.875rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1.25rem;
    margin-bottom: 0.625rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    transition: all 0.3s ease;
    border-bottom: 2px solid var(--border-color);
}

.navbar.scrolled {
    background: var(--bg-secondary);
    backdrop-filter: blur(30px);
    box-shadow: 0 4px 30px var(--shadow), 0 0 20px var(--glow-color);
    border-bottom: 2px solid var(--accent-primary);
}

/* ========================================
   THEME-SPECIFIC NAVBAR STYLES
   Forces instant color updates on theme switch
======================================== */

/* White/Default Theme - Light navbar with dark text */
body[data-theme="default"] .navbar {
    background: rgba(255, 255, 255, 0.05) !important;
    backdrop-filter: blur(20px);
    border-bottom: 2px solid #1a1a1a !important;
    color: #1a1a1a !important;
}

body[data-theme="default"] .navbar.scrolled {
    background: #f8fafc !important;
    border-bottom: 2px solid #1a1a1a !important;
}

/* Dark Slate Theme */
body[data-theme="dark-slate"] .navbar {
    background: #2f3136 !important;
    border-bottom: 2px solid #5865f2 !important;
    color: #dcddde !important;
}

body[data-theme="dark-slate"] .navbar.scrolled {
    background: #2f3136 !important;
    border-bottom: 2px solid #5865f2 !important;
}

/* Midnight Theme */
body[data-theme="midnight"] .navbar {
    background: #1e293b !important;
    border-bottom: 2px solid #6366f1 !important;
    color: #f1f5f9 !important;
}

body[data-theme="midnight"] .navbar.scrolled {
    background: #1e293b !important;
    border-bottom: 2px solid #6366f1 !important;
}

/* Ocean Theme */
body[data-theme="ocean"] .navbar {
    background: #1a2942 !important;
    border-bottom: 2px solid #0288d1 !important;
    color: #e3f2fd !important;
}

body[data-theme="ocean"] .navbar.scrolled {
    background: #1a2942 !important;
    border-bottom: 2px solid #0288d1 !important;
}

/* Forest Theme */
body[data-theme="forest"] .navbar {
    background: #1a2e1a !important;
    border-bottom: 2px solid #2e7d32 !important;
    color: #e8f5e9 !important;
}

body[data-theme="forest"] .navbar.scrolled {
    background: #1a2e1a !important;
    border-bottom: 2px solid #2e7d32 !important;
}

/* Sunset Theme */
body[data-theme="sunset"] .navbar {
    background: #2d1810 !important;
    border-bottom: 2px solid #d84315 !important;
    color: #fff3e0 !important;
}

body[data-theme="sunset"] .navbar.scrolled {
    background: #2d1810 !important;
    border-bottom: 2px solid #d84315 !important;
}

/* Royal Purple Theme */
body[data-theme="purple"] .navbar {
    background: #2d1b3d !important;
    border-bottom: 2px solid #7b1fa2 !important;
    color: #f3e5f5 !important;
}

body[data-theme="purple"] .navbar.scrolled {
    background: #2d1b3d !important;
    border-bottom: 2px solid #7b1fa2 !important;
}

/* Cyber Cyan Theme */
body[data-theme="cyber"] .navbar {
    background: #0a2a33 !important;
    border-bottom: 2px solid #06b6d4 !important;
    color: #e0f2fe !important;
}

body[data-theme="cyber"] .navbar.scrolled {
    background: #0a2a33 !important;
    border-bottom: 2px solid #06b6d4 !important;
}

/* Crimson Theme */
body[data-theme="crimson"] .navbar {
    background: #2d0a11 !important;
    border-bottom: 2px solid #be123c !important;
    color: #ffe4e6 !important;
}

body[data-theme="crimson"] .navbar.scrolled {
    background: #2d0a11 !important;
    border-bottom: 2px solid #be123c !important;
}

/* Emerald Theme */
body[data-theme="emerald"] .navbar {
    background: #0a2e1a !important;
    border-bottom: 2px solid #059669 !important;
    color: #d1fae5 !important;
}

body[data-theme="emerald"] .navbar.scrolled {
    background: #0a2e1a !important;
    border-bottom: 2px solid #059669 !important;
}

/* Amber Theme */
body[data-theme="amber"] .navbar {
    background: #2d1f0a !important;
    border-bottom: 2px solid #d97706 !important;
    color: #fef3c7 !important;
}

body[data-theme="amber"] .navbar.scrolled {
    background: #2d1f0a !important;
    border-bottom: 2px solid #d97706 !important;
}

/* Text Colors for All Themes */
body[data-theme="default"] .navbar .nav-menu a,
body[data-theme="default"] .navbar .nav-link,
body[data-theme="default"] .navbar .logo h2,
body[data-theme="default"] .navbar .logo h2 a,
body[data-theme="default"] .nav-logo h2,
body[data-theme="default"] .nav-logo h2 a {
    color: #1a1a1a !important;
}

body[data-theme="dark-slate"] .navbar .nav-menu a,
body[data-theme="dark-slate"] .navbar .nav-link,
body[data-theme="dark-slate"] .navbar .logo h2,
body[data-theme="dark-slate"] .navbar .logo h2 a,
body[data-theme="dark-slate"] .nav-logo h2,
body[data-theme="dark-slate"] .nav-logo h2 a {
    color: #dcddde !important;
}

body[data-theme="midnight"] .navbar .nav-menu a,
body[data-theme="midnight"] .navbar .nav-link,
body[data-theme="midnight"] .navbar .logo h2,
body[data-theme="midnight"] .navbar .logo h2 a,
body[data-theme="midnight"] .nav-logo h2,
body[data-theme="midnight"] .nav-logo h2 a {
    color: #f1f5f9 !important;
}

body[data-theme="ocean"] .navbar .nav-menu a,
body[data-theme="ocean"] .navbar .nav-link,
body[data-theme="ocean"] .navbar .logo h2,
body[data-theme="ocean"] .navbar .logo h2 a,
body[data-theme="ocean"] .nav-logo h2,
body[data-theme="ocean"] .nav-logo h2 a {
    color: #e3f2fd !important;
}

body[data-theme="forest"] .navbar .nav-menu a,
body[data-theme="forest"] .navbar .nav-link,
body[data-theme="forest"] .navbar .logo h2,
body[data-theme="forest"] .navbar .logo h2 a,
body[data-theme="forest"] .nav-logo h2,
body[data-theme="forest"] .nav-logo h2 a {
    color: #e8f5e9 !important;
}

body[data-theme="sunset"] .navbar .nav-menu a,
body[data-theme="sunset"] .navbar .nav-link,
body[data-theme="sunset"] .navbar .logo h2,
body[data-theme="sunset"] .navbar .logo h2 a,
body[data-theme="sunset"] .nav-logo h2,
body[data-theme="sunset"] .nav-logo h2 a {
    color: #fff3e0 !important;
}

body[data-theme="purple"] .navbar .nav-menu a,
body[data-theme="purple"] .navbar .nav-link,
body[data-theme="purple"] .navbar .logo h2,
body[data-theme="purple"] .navbar .logo h2 a,
body[data-theme="purple"] .nav-logo h2,
body[data-theme="purple"] .nav-logo h2 a {
    color: #f3e5f5 !important;
}

body[data-theme="cyber"] .navbar .nav-menu a,
body[data-theme="cyber"] .navbar .nav-link,
body[data-theme="cyber"] .navbar .logo h2,
body[data-theme="cyber"] .navbar .logo h2 a,
body[data-theme="cyber"] .nav-logo h2,
body[data-theme="cyber"] .nav-logo h2 a {
    color: #e0f2fe !important;
}

body[data-theme="crimson"] .navbar .nav-menu a,
body[data-theme="crimson"] .navbar .nav-link,
body[data-theme="crimson"] .navbar .logo h2,
body[data-theme="crimson"] .navbar .logo h2 a,
body[data-theme="crimson"] .nav-logo h2,
body[data-theme="crimson"] .nav-logo h2 a {
    color: #ffe4e6 !important;
}

body[data-theme="emerald"] .navbar .nav-menu a,
body[data-theme="emerald"] .navbar .nav-link,
body[data-theme="emerald"] .navbar .logo h2,
body[data-theme="emerald"] .navbar .logo h2 a,
body[data-theme="emerald"] .nav-logo h2,
body[data-theme="emerald"] .nav-logo h2 a {
    color: #d1fae5 !important;
}

body[data-theme="amber"] .navbar .nav-menu a,
body[data-theme="amber"] .navbar .nav-link,
body[data-theme="amber"] .navbar .logo h2,
body[data-theme="amber"] .navbar .logo h2 a,
body[data-theme="amber"] .nav-logo h2,
body[data-theme="amber"] .nav-logo h2 a {
    color: #fef3c7 !important;
}

/* ========================================
   THEME-SPECIFIC FOOTER STYLES
   Forces instant color updates on theme switch
======================================== */

/* White/Default Theme Footer */
body[data-theme="default"] .footer {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

body[data-theme="default"] .footer h3,
body[data-theme="default"] .footer h4,
body[data-theme="default"] .footer p {
    color: var(--text-primary) !important;
}

body[data-theme="default"] .footer a {
    color: var(--text-secondary) !important;
}

body[data-theme="default"] .footer a:hover {
    color: var(--accent-primary) !important;
}

/* Dark Slate Theme Footer */
body[data-theme="dark-slate"] .footer {
    background: #2f3136 !important;
    color: #dcddde !important;
}

body[data-theme="dark-slate"] .footer h3,
body[data-theme="dark-slate"] .footer h4 {
    color: #5865f2 !important;
}

body[data-theme="dark-slate"] .footer p,
body[data-theme="dark-slate"] .footer a {
    color: #b9bbbe !important;
}

body[data-theme="dark-slate"] .footer a:hover {
    color: #5865f2 !important;
}

/* Midnight Theme Footer */
body[data-theme="midnight"] .footer {
    background: #1e293b !important;
    color: #f1f5f9 !important;
}

body[data-theme="midnight"] .footer h3,
body[data-theme="midnight"] .footer h4 {
    color: #6366f1 !important;
}

body[data-theme="midnight"] .footer p,
body[data-theme="midnight"] .footer a {
    color: #94a3b8 !important;
}

body[data-theme="midnight"] .footer a:hover {
    color: #6366f1 !important;
}

/* Ocean Theme Footer */
body[data-theme="ocean"] .footer {
    background: #1a2942 !important;
    color: #e3f2fd !important;
}

body[data-theme="ocean"] .footer h3,
body[data-theme="ocean"] .footer h4 {
    color: #0288d1 !important;
}

body[data-theme="ocean"] .footer p,
body[data-theme="ocean"] .footer a {
    color: #90caf9 !important;
}

body[data-theme="ocean"] .footer a:hover {
    color: #0288d1 !important;
}

/* Forest Theme Footer */
body[data-theme="forest"] .footer {
    background: #1a2e1a !important;
    color: #e8f5e9 !important;
}

body[data-theme="forest"] .footer h3,
body[data-theme="forest"] .footer h4 {
    color: #2e7d32 !important;
}

body[data-theme="forest"] .footer p,
body[data-theme="forest"] .footer a {
    color: #81c784 !important;
}

body[data-theme="forest"] .footer a:hover {
    color: #2e7d32 !important;
}

/* Sunset Theme Footer */
body[data-theme="sunset"] .footer {
    background: #2d1810 !important;
    color: #fff3e0 !important;
}

body[data-theme="sunset"] .footer h3,
body[data-theme="sunset"] .footer h4 {
    color: #d84315 !important;
}

body[data-theme="sunset"] .footer p,
body[data-theme="sunset"] .footer a {
    color: #ffab91 !important;
}

body[data-theme="sunset"] .footer a:hover {
    color: #d84315 !important;
}

/* Royal Purple Theme Footer */
body[data-theme="purple"] .footer {
    background: #2d1b3d !important;
    color: #f3e5f5 !important;
}

body[data-theme="purple"] .footer h3,
body[data-theme="purple"] .footer h4 {
    color: #7b1fa2 !important;
}

body[data-theme="purple"] .footer p,
body[data-theme="purple"] .footer a {
    color: #ce93d8 !important;
}

body[data-theme="purple"] .footer a:hover {
    color: #7b1fa2 !important;
}

/* Cyber Cyan Theme Footer */
body[data-theme="cyber"] .footer {
    background: #0a2a33 !important;
    color: #e0f2fe !important;
}

body[data-theme="cyber"] .footer h3,
body[data-theme="cyber"] .footer h4 {
    color: #06b6d4 !important;
}

body[data-theme="cyber"] .footer p,
body[data-theme="cyber"] .footer a {
    color: #67e8f9 !important;
}

body[data-theme="cyber"] .footer a:hover {
    color: #06b6d4 !important;
}

/* Crimson Theme Footer */
body[data-theme="crimson"] .footer {
    background: #2d0a11 !important;
    color: #ffe4e6 !important;
}

body[data-theme="crimson"] .footer h3,
body[data-theme="crimson"] .footer h4 {
    color: #be123c !important;
}

body[data-theme="crimson"] .footer p,
body[data-theme="crimson"] .footer a {
    color: #fda4af !important;
}

body[data-theme="crimson"] .footer a:hover {
    color: #be123c !important;
}

/* Emerald Theme Footer */
body[data-theme="emerald"] .footer {
    background: #0a2e1a !important;
    color: #d1fae5 !important;
}

body[data-theme="emerald"] .footer h3,
body[data-theme="emerald"] .footer h4 {
    color: #059669 !important;
}

body[data-theme="emerald"] .footer p,
body[data-theme="emerald"] .footer a {
    color: #6ee7b7 !important;
}

body[data-theme="emerald"] .footer a:hover {
    color: #059669 !important;
}

/* Amber Theme Footer */
body[data-theme="amber"] .footer {
    background: #2d1f0a !important;
    color: #fef3c7 !important;
}

body[data-theme="amber"] .footer h3,
body[data-theme="amber"] .footer h4 {
    color: #d97706 !important;
}

body[data-theme="amber"] .footer p,
body[data-theme="amber"] .footer a {
    color: #fcd34d !important;
}

body[data-theme="amber"] .footer a:hover {
    color: #d97706 !important;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.nav-logo-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px var(--glow-color);
}

.nav-logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav-logo h2 {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 24px;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

/* WordPress Menu Items */
.nav-menu li {
    list-style: none;
}

.nav-menu a,
.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 8px;
    display: inline-block;
}

.nav-menu a:hover,
.nav-link:hover {
    color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 15px var(--glow-color);
}

/* Active/Current Menu Item */
.nav-menu .current-menu-item > a,
.nav-menu .current_page_item > a,
.nav-link.active {
    color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Submenu Dropdown */
.nav-menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 200px;
    box-shadow: 0 4px 20px var(--shadow);
    z-index: 1000;
}

.nav-menu li {
    position: relative;
}

.nav-menu li:hover > .sub-menu {
    display: block;
}

.nav-menu .sub-menu li {
    width: 100%;
}

.nav-menu .sub-menu a {
    padding: 10px 20px;
    display: block;
    width: 100%;
    border-radius: 0;
}

.nav-link.active {
    color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 20px var(--glow-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border-radius: 1px;
    box-shadow: 0 0 10px var(--glow-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: var(--gradient-bg);
    color: var(--text-primary);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 30px;
    color: var(--text-secondary);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: var(--shadow-lg), 0 0 20px var(--glow-color);
    position: relative;
    overflow: hidden;
    border: 2px solid var(--accent-primary);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 30px var(--glow-color);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    box-shadow: 0 0 25px var(--glow-color);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.calculator-preview {
    background: var(--bg-primary);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    border: 2px solid var(--border-color);
    box-shadow: 0 8px 32px var(--shadow), 0 0 20px var(--glow-color);
}

.calc-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
    opacity: 1 !important;
    filter: none !important;
    -webkit-text-fill-color: initial !important;
    background-clip: initial !important;
    -webkit-background-clip: initial !important;
    background: none !important;
}

.calculator-preview h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 20px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', 'Inter', sans-serif;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--bg-primary);
    position: relative;
}

.about-content h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.about-text {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-secondary);
}

.mission-box {
    background: var(--background);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin: 40px 0;
    border-left: 4px solid;
    border-image: var(--gradient-primary) 1;
}

.mission-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: var(--bg-primary);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px var(--shadow), 0 0 20px var(--glow-color);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px var(--shadow), 0 0 30px var(--glow-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
    opacity: 1;
    filter: none;
    -webkit-text-fill-color: initial;
    background-clip: initial;
    -webkit-background-clip: initial;
}

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--accent-primary);
}

/* Categories Section */
.categories {
    padding: 80px 0;
    background: var(--bg-primary);
}

.categories h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
    font-weight: 700;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.category-card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px var(--shadow), 0 0 20px var(--glow-color);
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px var(--shadow), 0 0 30px var(--glow-color);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
    opacity: 1;
    filter: none;
    -webkit-text-fill-color: initial;
    background-clip: initial;
    -webkit-background-clip: initial;
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.category-card ul {
    list-style: none;
    margin-bottom: 25px;
}

.category-card li {
    padding: 5px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 20px;
}

.category-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Audience Section */
.audience {
    padding: 80px 0;
    background: var(--bg-primary);
}

.audience h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.audience-card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 32px var(--shadow), 0 0 20px var(--glow-color);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.audience-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px var(--shadow), 0 0 30px var(--glow-color);
}

.audience-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
    opacity: 1;
    filter: none;
    -webkit-text-fill-color: initial;
    background-clip: initial;
    -webkit-background-clip: initial;
}

.audience-card h4 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--accent-primary);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: var(--gradient-bg);
    color: var(--text-primary);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 50px 0 20px;
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--accent-primary);
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Mobile body padding for fixed navbar */
    body {
        padding-top: 70px;
    }
    
    /* Mobile theme switcher fix */
    .theme-switcher {
        top: 80px;
        right: 10px;
        z-index: 1001;
        padding: 8px 12px;
    }

    .icon-button {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }

    .dropdown-menu {
        right: 0;
        min-width: 200px;
        max-height: 70vh;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 8px 32px var(--shadow);
        padding: 20px 0;
        z-index: 998;
        border-top: 2px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }
    
    /* Fix theme switcher overlap when mobile menu is open */
    .nav-menu.active ~ * .theme-switcher,
    body:has(.nav-menu.active) .theme-switcher {
        z-index: 997 !important;
    }
    
    .nav-link {
        color: var(--text-primary);
        padding: 15px 20px;
        display: block;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: var(--bg-primary);
        color: var(--accent-primary);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .audience-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Theme Variations */
.theme-dark {
    --primary-color: #8b5cf6;
    --secondary-color: #7c3aed;
    --accent-color: #a78bfa;
    --background: #0f172a;
    --surface: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #7c3aed 50%, #ec4899 100%);
    --gradient-card: linear-gradient(145deg, #1e293b 0%, #334155 100%);
    --gradient-button: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-nav: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(51, 65, 85, 0.95) 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.theme-purple {
    --primary-color: #8b5cf6;
    --secondary-color: #7c3aed;
    --accent-color: #a78bfa;
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #a855f7 0%, #3b82f6 100%);
    --gradient-hero: linear-gradient(135deg, #8b5cf6 0%, #ec4899 50%, #f093fb 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #faf5ff 100%);
    --gradient-button: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-nav: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(250,245,255,0.95) 100%);
}

.theme-green {
    --primary-color: #10b981;
    --secondary-color: #059669;
    --accent-color: #34d399;
    --gradient-primary: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-secondary: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    --gradient-accent: linear-gradient(135deg, #6ee7b7 0%, #10b981 100%);
    --gradient-hero: linear-gradient(135deg, #10b981 0%, #059669 50%, #34d399 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f0fdf4 100%);
    --gradient-button: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-nav: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(240,253,244,0.95) 100%);
}

.theme-orange {
    --primary-color: #f59e0b;
    --secondary-color: #d97706;
    --accent-color: #fbbf24;
    --gradient-primary: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-secondary: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-accent: linear-gradient(135deg, #fde68a 0%, #f59e0b 100%);
    --gradient-hero: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #fbbf24 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #fffbeb 100%);
    --gradient-button: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-nav: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,251,235,0.95) 100%);
}

.theme-pink {
    --primary-color: #ec4899;
    --secondary-color: #db2777;
    --accent-color: #f472b6;
    --gradient-primary: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    --gradient-secondary: linear-gradient(135deg, #f472b6 0%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #fbb6ce 0%, #ec4899 100%);
    --gradient-hero: linear-gradient(135deg, #ec4899 0%, #db2777 50%, #f472b6 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #fdf2f8 100%);
    --gradient-button: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    --gradient-nav: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(253,242,248,0.95) 100%);
}

.theme-teal {
    --primary-color: #14b8a6;
    --secondary-color: #0d9488;
    --accent-color: #5eead4;
    --gradient-primary: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    --gradient-secondary: linear-gradient(135deg, #5eead4 0%, #14b8a6 100%);
    --gradient-accent: linear-gradient(135deg, #99f6e4 0%, #14b8a6 100%);
    --gradient-hero: linear-gradient(135deg, #14b8a6 0%, #0d9488 50%, #5eead4 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f0fdfa 100%);
    --gradient-button: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    --gradient-nav: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(240,253,250,0.95) 100%);
}

.theme-red {
    --primary-color: #ef4444;
    --secondary-color: #dc2626;
    --accent-color: #f87171;
    --gradient-primary: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-secondary: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
    --gradient-accent: linear-gradient(135deg, #fca5a5 0%, #ef4444 100%);
    --gradient-hero: linear-gradient(135deg, #ef4444 0%, #dc2626 50%, #f87171 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #fef2f2 100%);
    --gradient-button: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-nav: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(254,242,242,0.95) 100%);
}

.theme-gold {
    --primary-color: #f59e0b;
    --secondary-color: #d97706;
    --accent-color: #fbbf24;
    --gradient-primary: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-secondary: linear-gradient(135deg, #fde68a 0%, #fbbf24 100%);
    --gradient-accent: linear-gradient(135deg, #fef3c7 0%, #f59e0b 100%);
    --gradient-hero: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #fde68a 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #fffbeb 100%);
    --gradient-button: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --gradient-nav: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,251,235,0.95) 100%);
}

.theme-navy {
    --primary-color: #1e40af;
    --secondary-color: #1e3a8a;
    --accent-color: #3b82f6;
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    --gradient-accent: linear-gradient(135deg, #60a5fa 0%, #1e40af 100%);
    --gradient-hero: linear-gradient(135deg, #1e40af 0%, #1e3a8a 50%, #3b82f6 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #eff6ff 100%);
    --gradient-button: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
    --gradient-nav: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(239,246,255,0.95) 100%);
}

/* Additional Page Styles */

/* Auth Pages */
.auth-section {
    padding: 120px 0 80px;
    background: var(--surface);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.auth-form-container {
    background: var(--background);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: 0 0 10px var(--glow-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px var(--glow-color);
}

.form-group select option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group small {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Password Toggle */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    padding-right: 45px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.password-toggle:hover {
    color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.05);
}

.password-toggle:active {
    transform: scale(0.95);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
}

.forgot-password:hover {
    text-decoration: underline;
}

.terms-link {
    color: var(--primary-color);
    text-decoration: none;
}

.terms-link:hover {
    text-decoration: underline;
}

.btn-full {
    width: 100%;
    margin-top: 10px;
}

.auth-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.auth-benefits {
    background: var(--background);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.auth-benefits h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.benefit-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.benefit-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.benefit-item p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Calculator Pages */
.calculators-hero,
.contact-hero,
.logs-hero {
    background: var(--gradient-bg);
    color: var(--text-primary);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.calculators-hero::before,
.contact-hero::before,
.logs-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    pointer-events: none;
}

.calculators-hero h1,
.contact-hero h1,
.logs-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    color: var(--text-primary);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.calculators-hero p,
.contact-hero p,
.logs-hero p {
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.calculator-categories {
    padding: 80px 0;
    background: var(--bg-primary);
}

/* Calculator Search */
.calculator-search {
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 20px;
    color: var(--text-secondary);
    font-size: 1.2rem;
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: 18px 60px 18px 55px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--glow-color);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 8px 30px var(--glow-color);
    transform: translateY(-2px);
}

.search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.clear-search {
    position: absolute;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px 10px;
    transition: all 0.3s ease;
}

.clear-search:hover {
    color: var(--accent-primary);
    transform: scale(1.1);
}

.search-results-count {
    text-align: center;
    margin-top: 15px;
    padding: 10px;
    background: var(--bg-secondary);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

.calculator-item.hidden {
    display: none !important;
}

.calculator-item mark {
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 2px 4px;
    border-radius: 3px;
}

.category-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 0 10px var(--glow-color);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-color);
    transform: translateY(-2px);
}

.calculator-card {
    background: var(--background);
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.calculator-card:hover {
    transform: translateY(-5px);
}

.calculator-header {
    background: var(--gradient-primary);
    color: white;
    padding: 30px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.calc-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.calc-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.calc-info p {
    opacity: 0.9;
    font-size: 14px;
}

.calculator-form {
    padding: 30px;
}

.result-container {
    margin-top: 20px;
    padding: 20px;
    background: var(--surface);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.result-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 10px 0;
}

.result-category {
    color: var(--text-secondary);
    font-style: italic;
}

/* Calculator List Design */
.calculator-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.calculator-item {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: 0 8px 32px var(--shadow), 0 0 20px var(--glow-color);
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.calculator-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.calculator-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.calculator-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.calculator-item .calc-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
    opacity: 1 !important;
    filter: none !important;
    -webkit-text-fill-color: initial !important;
    background-clip: initial !important;
    -webkit-background-clip: initial !important;
    background: none !important;
}

.calc-info h3 {
    margin-bottom: 15px;
}

.calc-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
}

.calc-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.calc-link:hover::after {
    width: 100%;
}

.calc-link:hover {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calc-info p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: 10px;
}

/* Logs Placeholder */
.logs-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.logs-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    font-weight: 700;
}

.logs-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.logs-placeholder {
    background: var(--gradient-card);
    border-radius: var(--border-radius-lg);
    padding: 60px 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.placeholder-content {
    text-align: center;
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 30px;
    font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
    opacity: 1 !important;
    filter: none !important;
    -webkit-text-fill-color: initial !important;
    background-clip: initial !important;
    -webkit-background-clip: initial !important;
    background: none !important;
}

.placeholder-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.placeholder-content p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.placeholder-content ul {
    list-style: none;
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

.placeholder-content li {
    padding: 10px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 30px;
}

.placeholder-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Contact Page */
.contact-section {
    padding: 80px 0;
    background: var(--background);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.contact-item p {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.contact-item small {
    color: var(--text-secondary);
    font-size: 14px;
}

.contact-form-header {
    margin-bottom: 30px;
}

.contact-form-header h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.faq-section {
    padding: 80px 0;
    background: var(--surface);
}

.faq-section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
    font-weight: 700;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.faq-item {
    background: var(--background);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.faq-item h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Logs Page */
.logs-section {
    padding: 80px 0;
    background: var(--surface);
}

.logs-container {
    max-width: 1000px;
    margin: 0 auto;
}

.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.logs-header h2 {
    font-size: 2rem;
    color: var(--primary-color);
}

.logs-controls {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.filter-group select {
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    background: var(--background);
    color: var(--text-primary);
}

.log-entry {
    background: var(--background);
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.log-entry:hover {
    transform: translateY(-2px);
}

.log-header {
    background: var(--gradient-primary);
    color: white;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.log-type {
    display: flex;
    align-items: center;
    gap: 15px;
}

.log-icon {
    font-size: 1.5rem;
}

.log-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.log-date {
    font-size: 14px;
    opacity: 0.9;
}

.log-details {
    padding: 20px 30px;
    border-bottom: 1px solid #e2e8f0;
}

.log-inputs,
.log-result {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.log-actions {
    padding: 20px 30px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-danger {
    background: #ef4444;
    color: white;
    border: none;
}

.btn-danger:hover {
    background: #dc2626;
}

.logs-summary {
    margin-top: 40px;
}

.summary-card {
    background: var(--background);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.summary-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--surface);
    border-radius: 10px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Calculators Page */
.calculators-hero {
    padding: 140px 0 60px;
    text-align: center;
}

.calculators-hero .hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.calculators-hero .hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.calculator-categories {
    padding: 40px 0 80px;
}

.calculator-search {
    margin-bottom: 40px;
}

.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto 20px;
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.search-container input {
    width: 100%;
    padding: 15px 50px 15px 50px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.search-container input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-color);
}

.clear-search {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.clear-search:hover {
    color: var(--accent-primary);
}

.search-results-count {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 10px;
}

.category-tabs {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 40px;
}

.category-tab {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.category-tab:hover {
    border-color: var(--accent-primary);
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--glow-color);
}

.category-tab.active {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    border-color: var(--accent-primary);
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.calc-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.calc-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--glow-color);
    border-color: var(--accent-primary);
}

.calc-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.calc-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 600;
}

.calc-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Statistics Section */
.stats-section {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
    background-size: 50px 50px;
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Success/Error Notifications */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    animation: slideInRight 0.3s ease-out, fadeOut 0.3s ease-out 2.7s;
    min-width: 300px;
    backdrop-filter: blur(10px);
}

.notification.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: 2px solid #34d399;
}

.notification.error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border: 2px solid #f87171;
}

.notification.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    border: 2px solid #fbbf24;
}

.notification-icon {
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-message {
    flex: 1;
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 4px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.notification-close:hover {
    opacity: 1;
}

/* Form Validation States */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ef4444;
    animation: shake 0.5s;
}

.form-group input.success,
.form-group select.success,
.form-group textarea.success {
    border-color: #10b981;
}

.error-message {
    color: #ef4444;
    font-size: 14px;
    margin-top: 4px;
    animation: fadeIn 0.3s;
}

/* Animations */
@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Scroll to Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 20px var(--glow-color);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--glow-color);
}

.scroll-top-btn:active {
    transform: translateY(-2px);
}

/* Skeleton Loaders */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-primary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 8px;
}

.skeleton-text {
    height: 16px;
    margin-bottom: 10px;
    border-radius: 4px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 15px;
}

.skeleton-card {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 15px;
    margin-bottom: 20px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Page Transitions */
.page-transition {
    animation: fadeInPage 0.3s ease-in;
}

@keyframes fadeInPage {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

body {
    animation: fadeInPage 0.3s ease-in;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    margin-right: 10px;
}

.btn.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

/* Responsive Design for New Pages */
@media (max-width: 768px) {
    .auth-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .logs-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .logs-controls {
        width: 100%;
        justify-content: flex-start;
    }
    
    .log-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .log-actions {
        flex-direction: column;
    }
    
    .summary-stats {
        grid-template-columns: 1fr;
    }
}