/**
 * SelamatRide SmartSchoolBus
 * Main Stylesheet
 */

/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary-blue: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    
    /* Secondary Colors */
    --navy: #1e293b;
    --dark-navy: #0f172a;
    --slate-gray: #475569;
    
    /* Accent Colors */
    --success-green: #10b981;
    --warning-orange: #f59e0b;
    --danger-red: #ef4444;
    --info-teal: #14b8a6;
    --purple: #8b5cf6;
    
    /* Neutral Colors */
    --background: #f8fafc;
    --white: #ffffff;
    --border-gray: #e2e8f0;
    --light-gray: #f1f5f9;
    --medium-gray: #64748b;
    --text-dark: #1a202c;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-xl: 0 8px 24px rgba(0,0,0,0.15);
    --shadow-2xl: 0 20px 60px rgba(0,0,0,0.3);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
}

.logo {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--slate-gray);
    font-size: 16px;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-blue);
    transform: translateY(-2px);
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, rgba(20,50,120,0.75) 0%, rgba(30,80,150,0.65) 100%),
                url('/picture/background.png') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: left;
    padding: var(--spacing-lg);
}

.hero-content {
    max-width: 1200px;
    width: 100%;
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 12px rgba(0,0,0,0.3);
    margin-bottom: var(--spacing-lg);
}

.hero p {
    font-size: 24px;
    line-height: 1.6;
    opacity: 0.95;
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    color: var(--white);
    padding: 18px 48px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(59,130,246,0.35);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(59,130,246,0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    padding: 16px 48px;
    font-size: 18px;
    font-weight: 600;
    border: 2px solid var(--white);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
    padding: 120px var(--spacing-lg);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--primary-blue);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: 18px;
    color: var(--slate-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 60px;
    align-items: start;
}

.about-content p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--slate-gray);
    margin-bottom: var(--spacing-lg);
}

.trust-card {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
}

.trust-card h4 {
    font-size: 20px;
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

.trust-card p {
    font-size: 16px;
    color: var(--medium-gray);
}

/* ============================================
   FEATURES / PROCESS FLOW
   ============================================ */
.process-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.process-card {
    background: var(--white);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid var(--border-gray);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    text-align: center;
}

.process-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.process-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 36px;
}

.process-card h3 {
    font-size: 20px;
    color: var(--navy);
    margin-bottom: var(--spacing-md);
}

.process-card p {
    font-size: 15px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ============================================
   SECURITY SECTION
   ============================================ */
.security-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e293b 100%);
    color: var(--white);
}

.security-grid {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: 60px;
    align-items: center;
}

.security-visual {
    text-align: center;
}

.security-shield {
    width: 200px;
    height: 200px;
    background: rgba(59,130,246,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    border: 3px solid rgba(59,130,246,0.5);
    font-size: 100px;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.security-item {
    display: flex;
    gap: var(--spacing-lg);
}

.security-icon {
    width: 48px;
    height: 48px;
    background: rgba(59,130,246,0.3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 24px;
}

.security-item h4 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
}

.security-item p {
    font-size: 15px;
    opacity: 0.85;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-card {
    max-width: 900px;
    margin: 0 auto;
    background: var(--light-gray);
    border-radius: 24px;
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-md);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
}

.contact-item {
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    border-radius: 12px;
}

.contact-item:hover {
    background: rgba(59,130,246,0.05);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 24px;
}

.contact-item h4 {
    font-size: 16px;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
}

.contact-item p {
    font-size: 20px;
    font-weight: 600;
    color: var(--navy);
}

.contact-item a {
    color: var(--navy);
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 20px;
}

.social-icon:hover {
    transform: scale(1.1);
    background: var(--primary-dark);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark-navy);
    color: rgba(255,255,255,0.8);
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-size: 18px;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-copyright {
    font-size: 14px;
    opacity: 0.7;
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(15, 30, 60, 0.449) 0%, rgba(20, 50, 80, 0.411) 100%),
                url('/picture/login.png') center/cover fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--white);
    border-radius: 20px;
    padding: var(--spacing-3xl) 40px;
    box-shadow: var(--shadow-2xl);
    position: relative;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--medium-gray);
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: var(--light-gray);
    color: var(--danger-red);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
}

.login-header p {
    color: var(--medium-gray);
    font-size: 15px;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--slate-gray);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    height: 48px;
    border: 1.5px solid var(--border-gray);
    border-radius: 8px;
    padding: 0 var(--spacing-md);
    font-size: 16px;
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border: 2px solid var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-input.error {
    border: 2px solid var(--danger-red);
    box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.error-message {
    color: var(--danger-red);
    font-size: 14px;
    margin-top: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.role-selection {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 16px;
}

.radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.login-btn {
    width: 100%;
    height: 52px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: var(--spacing-xl);
    box-shadow: 0 8px 20px rgba(59,130,246,0.3);
    transition: all 0.3s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(59,130,246,0.4);
}

.login-btn:active {
    transform: scale(0.98);
}

.login-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    font-size: 14px;
    color: var(--medium-gray);
}

/* ============================================
   DASHBOARD LAYOUTS
   ============================================ */
.dashboard-layout {
    min-height: 100vh;
    background: var(--background);
}

.dashboard-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 999;
}

.dashboard-main {
    margin-top: 70px;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.dashboard-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--navy);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.datetime-display {
    text-align: right;
}

.datetime-display .date {
    font-size: 14px;
    color: var(--slate-gray);
}

.datetime-display .time {
    font-size: 14px;
    color: var(--medium-gray);
    font-weight: 600;
}

.profile-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.profile-section:hover {
    background: var(--light-gray);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.stat-card h3 {
    font-size: 14px;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .number {
    font-size: 36px;
    font-weight: 700;
    color: var(--navy);
}

.stat-card .subtext {
    font-size: 13px;
    color: var(--success-green);
    margin-top: var(--spacing-sm);
}

/* Table Styles */
.table-card {
    background: var(--white);
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.table-header h2 {
    font-size: 20px;
    color: var(--navy);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--light-gray);
}

.data-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    color: var(--slate-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-gray);
    font-size: 14px;
}

.data-table tbody tr:hover {
    background: var(--light-gray);
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fed7aa;
    color: #9a3412;
}

.badge-danger {
    background: #fecaca;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1023px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero p {
        font-size: 20px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .process-flow {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .process-flow {
        grid-template-columns: 1fr;
    }
    
    .dashboard-cards {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }