/* ==================== Global Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ==================== Light Theme (Default) ==================== */
:root,
:root[data-theme='light'] {
    /* Base Color Palette - Professional Blue */
    --color-primary: #003366;
    --color-primary-variant: #0055AA;
    --color-accent: #0077CC;
    --color-background: #F5F5F5;
    --color-surface: #FFFFFF;
    --color-text: #333333;
    --color-text-secondary: #777777;
    --color-muted: #EEEEEE;
    --color-success: #2E8A3A;
    --color-warning: #E0A800;
    --color-danger: #D9534F;
    --color-border: #DDDDDD;
    --color-nav-text: #FFFFFF;
    --color-nav-border: rgba(255, 255, 255, 0.1);
    
    /* Computed Colors */
    --color-accent-hover: #0055AA;
    --color-accent-dark: #0055AA;
    --color-sidebar-bg: #002244;
    --color-sidebar-active: #0077CC;
    
    /* Legacy mappings for compatibility */
    --brand-navy: var(--color-primary);
    --brand-cyan: var(--color-accent);
    --brand-gray: var(--color-muted);
    --primary-color: var(--color-accent);
    --primary-dark: var(--color-primary-variant);
    --secondary-color: var(--color-muted);
    --accent-color: var(--color-accent);
    --success-color: var(--color-success);
    --warning-color: var(--color-warning);
    --danger-color: var(--color-danger);
    --bg-primary: var(--color-primary);
    --bg-secondary: var(--color-surface);
    --bg-tertiary: var(--color-muted);
    --text-primary: var(--color-text);
    --text-secondary: var(--color-text-secondary);
    --text-tertiary: var(--color-text-secondary);
    --border-color: var(--color-border);
    --border-color-hover: var(--color-accent);
    --hover-bg: rgba(0, 119, 204, 0.08);
    
    /* Shadows */
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 20px rgba(0, 119, 204, 0.2);
    
    /* Input backgrounds */
    --input-bg: #FFFFFF;
    --input-text: var(--color-text);
    
    /* Modal overlay */
    --modal-overlay: rgba(0, 0, 0, 0.7);
    
    /* Responsive spacing */
    --container-padding: clamp(1rem, 4vw, 2rem);
    --section-padding: clamp(2rem, 6vw, 4rem);
}

/* ==================== Dark Theme ==================== */
:root[data-theme='dark'] {
    /* Base Color Palette - Dark Mode */
    --color-primary: #1a1a2e;
    --color-primary-variant: #16213e;
    --color-accent: #0088DD;
    --color-background: #0E0E10;
    --color-surface: #1A1A1A;
    --color-text: #E0E0E0;
    --color-text-secondary: #B0B0B0;
    --color-muted: #2A2A2A;
    --color-success: #4CAF50;
    --color-warning: #FFB300;
    --color-danger: #F44336;
    --color-border: #333333;
    --color-nav-text: #FFFFFF;
    --color-nav-border: rgba(255, 255, 255, 0.1);
    
    /* Computed Colors */
    --color-accent-hover: #0066AA;
    --color-accent-dark: #0066AA;
    --color-sidebar-bg: #121212;
    --color-sidebar-active: #0088DD;
    
    /* Legacy mappings for compatibility */
    --brand-navy: var(--color-primary);
    --brand-cyan: var(--color-accent);
    --brand-gray: var(--color-muted);
    --primary-color: var(--color-accent);
    --primary-dark: var(--color-primary-variant);
    --secondary-color: var(--color-muted);
    --accent-color: var(--color-accent);
    --success-color: var(--color-success);
    --warning-color: var(--color-warning);
    --danger-color: var(--color-danger);
    --bg-primary: var(--color-primary);
    --bg-secondary: var(--color-surface);
    --bg-tertiary: var(--color-muted);
    --text-primary: var(--color-text);
    --text-secondary: var(--color-text-secondary);
    --text-tertiary: var(--color-text-secondary);
    --border-color: var(--color-border);
    --border-color-hover: var(--color-accent);
    --hover-bg: rgba(0, 136, 221, 0.15);
    
    /* Shadows */
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 136, 221, 0.4);
    
    /* Input backgrounds */
    --input-bg: #242424;
    --input-text: var(--color-text);
    
    /* Modal overlay */
    --modal-overlay: rgba(0, 0, 0, 0.85);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ==================== Navigation ==================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-primary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-nav-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: bold;
    color: var(--color-nav-text);
    flex-shrink: 0;
}

.logo-image {
    width: clamp(32px, 5vw, 40px);
    height: clamp(32px, 5vw, 40px);
    object-fit: contain;
    display: block;
}

/* ==================== Dashboard Components ==================== */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding) 4rem;
}

/* Sidebar Layout for Customer Dashboard */
body:has(.admin-main) {
    display: flex;
    flex-direction: column;
}

.admin-main {
    flex: 1;
    padding: 2.5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.page-header {
    margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
    .admin-main {
        padding: 1.5rem 1rem;
    }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-text);
}

.tickets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.ticket-card {
    background: var(--color-surface);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ticket-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ticket-number {
    font-weight: bold;
    color: var(--color-accent);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-open { background: rgba(224, 168, 0, 0.1); color: var(--color-warning); }
.status-in-progress { background: rgba(0, 119, 204, 0.1); color: var(--color-accent); }
.status-resolved { background: rgba(46, 138, 58, 0.1); color: var(--color-success); }

.ticket-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--color-border);
    background: var(--input-bg);
    color: var(--color-text);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(0, 119, 204, 0.1);
}

.form-control:disabled {
    background: var(--color-muted);
    cursor: not-allowed;
}

/* ==================== Buttons ==================== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background: var(--color-muted);
    color: var(--color-text);
}

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

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

/* ==================== Theme Toggle ==================== */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-nav-border);
    color: var(--color-nav-text);
    padding: 0.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sun-icon { display: none; width: 20px; height: 20px; }
.moon-icon { display: block; width: 20px; height: 20px; }

[data-theme='dark'] .sun-icon { display: block; }
[data-theme='dark'] .moon-icon { display: none; }


/* ==================== Hamburger Menu ==================== */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
    gap: 0.35rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-nav-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ==================== Navigation Menu ==================== */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    color: var(--color-nav-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #60a5fa;
    border-bottom-color: #60a5fa;
}

/* ==================== Hero Section ==================== */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--section-padding) var(--container-padding);
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    animation: slideUp 1s ease-out;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
    line-height: 1.2;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== Features Section ==================== */
.features {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--section-padding) var(--container-padding);
}

.features h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--color-surface);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--color-accent);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

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

/* ==================== Image Sections ==================== */
.image-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--section-padding) var(--container-padding);
    opacity: 0;
    transform: scale(0.95);
}

.image-section.active {
    opacity: 1;
    transform: scale(1);
}

.image-section-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.image-wrapper {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.section-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 1rem;
}

.image-caption {
    background: var(--color-surface);
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.image-caption p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* ==================== CTA Section ==================== */
.cta {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--section-padding) var(--container-padding);
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary-variant));
    border-radius: 1rem;
    text-align: center;
    color: white;
    opacity: 0;
    transform: scale(0.95);
}

.cta.active {
    opacity: 1;
    transform: scale(1);
}

.cta h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-accent {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-accent:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-primary);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        border-bottom: 1px solid var(--color-nav-border);
    }

    .nav-menu.active {
        max-height: 400px;
    }

    .nav-menu li {
        width: 100%;
        margin: 0;
    }

    .nav-menu a {
        display: block;
        padding: 1rem var(--container-padding);
        border-bottom: 1px solid var(--color-nav-border);
        border-right: none;
    }

    .nav-container {
        flex-wrap: wrap;
    }

    .hero {
        min-height: 50vh;
        padding: 2rem var(--container-padding);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons a {
        width: 100%;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons a {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        font-size: 1.125rem;
    }

    .logo-image {
        width: 32px;
        height: 32px;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .features h2 {
        font-size: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .cta h2 {
        font-size: 1.5rem;
    }

    .cta p {
        font-size: 0.95rem;
    }
}

/* ==================== Scroll Reveal ==================== */
.scroll-reveal {
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.8s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: scale(1);
}

/* ==================== Animations ==================== */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

/* ==================== Gradient Text ==================== */
.gradient-text {
    background: linear-gradient(90deg, var(--color-accent), #60a5fa, var(--color-accent));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shine 3s linear infinite;
}

/* ==================== Utility Classes ==================== */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* ==================== Footer ==================== */
footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 2rem;
    text-align: center;
    color: var(--color-text-secondary);
}

footer p {
    margin: 0;
}