:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary-color: #3b82f6;
    --secondary-dark: #2563eb;
    --accent-color: #0ea5e9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.08);
    --shadow-md: 0 4px 12px -1px rgb(0 0 0 / 0.12);
    --shadow-lg: 0 10px 25px -3px rgb(0 0 0 / 0.15);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --gradient-secondary: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #0ea5e9 0%, #38bdf8 100%);
    --gradient-bg: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
    --card-bg: #ffffff;
    --sidebar-bg: rgba(255, 255, 255, 0.95);
    --topbar-bg: rgba(255, 255, 255, 0.9);
    --modal-bg: #ffffff;
    --input-bg: #ffffff;
    --skeleton-base: #e2e8f0;
    --skeleton-shine: #f1f5f9;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-light: #64748b;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-dark: #020617;
    --border-color: #334155;
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 12px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 25px -3px rgb(0 0 0 / 0.5);
    --card-bg: #1e293b;
    --sidebar-bg: rgba(30, 41, 59, 0.95);
    --topbar-bg: rgba(30, 41, 59, 0.9);
    --modal-bg: #1e293b;
    --input-bg: #0f172a;
    --skeleton-base: #334155;
    --skeleton-shine: #475569;
}

/* Skeleton Loader Styles */
.skeleton {
    background: var(--skeleton-base);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--skeleton-shine) 50%, 
        transparent 100%);
    animation: skeleton-shine 1.5s infinite;
}

@keyframes skeleton-shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-text.short { width: 40%; }
.skeleton-text.medium { width: 70%; }
.skeleton-text.long { width: 100%; }

.skeleton-circle {
    border-radius: 50%;
}

.skeleton-card {
    padding: 20px;
    border-radius: 12px;
}

.skeleton-stat {
    display: flex;
    align-items: center;
    gap: 15px;
}

.skeleton-stat .skeleton-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
}

.skeleton-stat .skeleton-content {
    flex: 1;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(180deg);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #e3e7f1 100%);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.95);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo:hover {
    transform: scale(1.05);
}

.logo i {
    font-size: 1.9rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-buttons {
    display: flex;
    gap: 1.2rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    border: 2px solid rgba(37, 99, 235, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.15rem;
    border-radius: 14px;
}

.btn-white {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.btn-full {
    width: 100%;
}

/* Logout Button - Red */
.btn-logout {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border: none;
}

.btn-logout:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
    transform: translateY(-2px);
}

/* Blue Button */
.btn-blue {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
}

.btn-blue:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.7);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -2px;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.3px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    font-size: 1.05rem;
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero-buttons .btn-primary {
    background: var(--primary-color);
    color: white;
}

.hero-buttons .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.hero-image {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-content: center;
}

.floating-card {
    position: static;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: none;
    backdrop-filter: none;
    border: 1px solid #e5e7eb;
    text-align: center;
    transition: all 0.3s ease;
}

.floating-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.15);
}

.floating-card:nth-child(1) {
    top: auto;
    left: auto;
}

.floating-card:nth-child(2) {
    top: auto;
    right: auto;
}

.floating-card:nth-child(3) {
    bottom: auto;
    left: auto;
}

.floating-card i {
    font-size: 2.8rem;
    color: var(--primary-color);
}

.floating-card span {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 3.5rem;
    font-weight: 500;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    border: 1px solid #e5e7eb;
}

.feature-card.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: #f0f4ff;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: none;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    animation: none;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
    font-weight: 500;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f9fafb;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    margin-bottom: 1.3rem;
    color: var(--text-secondary);
    font-size: 1.15rem;
    line-height: 1.8;
    font-weight: 500;
    text-align: center;
}

.about-stats {
    display: grid;
    gap: 1.5rem;
}

.stat-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.stat-card.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

.stat-card h3 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--primary-color);
}

.stat-card p {
    font-size: 1.05rem;
    opacity: 0.85;
    font-weight: 500;
}
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: #f0f4ff url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 300"><defs><pattern id="grid" x="0" y="0" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="%236366f1" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="1440" height="300" fill="%23f0f4ff"/><rect width="1440" height="300" fill="url(%23grid)"/><circle cx="200" cy="80" r="120" fill="%236366f1" opacity="0.05"/><circle cx="1200" cy="250" r="150" fill="%236366f1" opacity="0.03"/></svg>');
    background-attachment: fixed;
    background-size: cover;
    color: var(--text-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    animation: none;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: #e5e7eb;
}

.cta h2 {
    font-size: 2.8rem;
    margin-bottom: 1.2rem;
    font-weight: 800;
    position: relative;
    z-index: 1;
    letter-spacing: -0.5px;
    text-shadow: none;
    color: var(--text-primary);
}

.cta p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.85;
    position: relative;
    z-index: 1;
    font-weight: 500;
    color: var(--text-secondary);
}

.cta .btn {
    position: relative;
    z-index: 1;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 15px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
}

.footer-content {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

.footer-section {
    flex: 1;
    min-width: 150px;
}

.footer-section h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 800;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
    font-size: 1rem;
    font-weight: 700;
}

.footer-section p {
    opacity: 0.85;
    font-size: 0.9rem;
    line-height: 1.5;
}

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

.footer-section ul li {
    margin-bottom: 0.6rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer-section ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    animation: fadeIn 0.3s ease;
}

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

.modal-content {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 24px;
    width: 90%;
    max-width: 480px;
    max-height: 85vh;
    overflow-y: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    scrollbar-width: none;
    -ms-overflow-style: none;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.modal-content::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.modal-content.show {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.close {
    position: absolute;
    right: 24px;
    top: 24px;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(148, 163, 184, 0.1);
}

.close:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    transform: rotate(90deg);
}

.modal-content h2 {
    margin-bottom: 0.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    font-weight: 800;
}

.modal-content > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.7rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: 12px;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(248, 250, 252, 0.5);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: white;
}

.form-group input::placeholder {
    color: var(--text-light);
}

.divider {
    text-align: center;
    margin: 1rem 0;
    position: relative;
    color: var(--text-secondary);
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border-color);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

/* Google Sign-In Button Container */
#googleLoginBtn,
#googleSignupBtn {
    width: 100%;
    margin: 0.8rem 0;
    display: flex;
    justify-content: center;
    min-height: 44px;
}

/* Ensure Google button iframe takes full width */
#googleLoginBtn iframe,
#googleSignupBtn iframe {
    width: 100% !important;
}

.btn-google {
    width: 100%;
    padding: 0.8rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-google:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.btn-google i {
    font-size: 1.2rem;
    color: #ea4335;
}

.modal-footer {
    text-align: center;
    margin-top: 1rem;
    padding-top: 0.5rem;
    color: var(--text-secondary);
}

.modal-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* Message Toast - Professional Style (Amazon/Google/Flipkart inspired) */
.message-toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 400px;
    max-width: 600px;
    padding: 18px 24px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    animation: slideInDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.5;
    backdrop-filter: blur(10px);
    border: 1px solid;
    transition: all 0.2s ease;
}

.message-toast:hover {
    transform: translateX(-50%) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2), 0 4px 12px rgba(0, 0, 0, 0.15);
}

.message-toast::before {
    content: '';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.message-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.message-success::before {
    content: '\f058';
    background: rgba(255, 255, 255, 0.2);
}

.message-error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.message-error::before {
    content: '\f06a';
    background: rgba(255, 255, 255, 0.2);
}

.message-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.message-info::before {
    content: '\f05a';
    background: rgba(255, 255, 255, 0.2);
}

.message-toast.fade-out {
    animation: slideOutUp 0.3s cubic-bezier(0.5, 0, 0.75, 0) forwards;
}

@keyframes slideInDown {
    from {
        transform: translateX(-50%) translateY(-100px);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

@keyframes slideOutUp {
    from {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    to {
        transform: translateX(-50%) translateY(-100px);
        opacity: 0;
    }
}

/* Spinner Animation */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.fa-spinner {
    animation: spin 1s linear infinite;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        display: none;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Responsive message toast */
    .message-toast {
        min-width: 320px;
        max-width: calc(100vw - 40px);
        padding: 16px 20px;
        font-size: 14px;
        top: 70px;
    }
    
    .message-toast::before {
        width: 28px;
        height: 28px;
        font-size: 18px;
    }
}

/* ========================== */
/* DARK MODE SPECIFIC STYLES  */
/* ========================== */

[data-theme="dark"] body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

[data-theme="dark"] .navbar {
    background: rgba(30, 41, 59, 0.85);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-content {
    background: var(--modal-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .form-group input {
    background: var(--input-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-group input::placeholder {
    color: var(--text-light);
}

[data-theme="dark"] .btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .feature-card {
    background: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .feature-icon {
    background: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .footer {
    background: #020617;
}

[data-theme="dark"] .hero::before {
    background: rgba(15, 23, 42, 0.85);
}

[data-theme="dark"] .stat-card {
    background: var(--card-bg);
}

[data-theme="dark"] .about {
    background: var(--bg-secondary);
}

[data-theme="dark"] .btn-google {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Remember Me & Forgot Password Styles */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.forgot-password:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Last Login Info */
.last-login-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-right: 15px;
}

.last-login-info i {
    color: var(--primary-color);
}

/* Search Modal (Ctrl+K) */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 100px;
}

.search-modal.active {
    display: flex;
}

.search-container {
    background: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.search-input-wrapper i {
    color: var(--text-secondary);
    font-size: 18px;
    margin-right: 12px;
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 16px;
    color: var(--text-primary);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-shortcut {
    background: var(--bg-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    font-family: monospace;
}

.search-results {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    color: var(--text-primary);
    text-decoration: none;
}

.search-result-item:hover {
    background: var(--bg-secondary);
}

.search-result-item i {
    color: var(--primary-color);
    width: 20px;
}

/* Keyboard Shortcut Hint */
.kbd {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 12px;
    font-family: monospace;
    color: var(--text-secondary);
}