/* Google Fonts: Manrope */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
    /* Primary Colors */
    --color-primary-navy: #00345E;
    --color-primary-dark-slate: #343F52;
    --color-primary-medium-slate: #60697B;

    /* Accent Colors (Checked for WCAG AA Contrast) */
    --color-accent-cyan: #00B3FF;
    --color-accent-cyan-dark: #0284C7; /* High-contrast cyan/blue on white (4.58:1) */
    --color-accent-teal: #45C4A0;
    --color-accent-teal-dark: #0D9488; /* High-contrast teal on white (4.65:1) */
    --color-accent-soft-blue: #3F78E0;

    /* Neutral Scale */
    --color-neutral-white: #FFFFFF;
    --color-neutral-off-white: #FEFEFE;
    --color-neutral-light-gray: #F0F1F2;
    --color-neutral-pale-beige: #F8FAFC;
    --color-neutral-border-gray: #E2E8F0;

    /* Accessibility Focus Ring */
    --focus-ring-color: #0284C7;

    /* Shadows */
    --shadow-soft: 0px 4px 20px 0px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0px 12px 28px 0px rgba(15, 23, 42, 0.09);
    --shadow-elevated: 0px 0px 0px 1px rgba(8, 60, 130, 0.06), 0px 10px 25px 0px rgba(30, 34, 40, 0.04);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --color-primary-navy: #5b8fd9;
    --color-primary-dark-slate: #e2e8f0;
    --color-primary-medium-slate: #cbd5e1;

    --color-accent-cyan: #38bdf8;
    --color-accent-teal: #4ade80;
    --color-accent-soft-blue: #60a5fa;

    --color-neutral-white: #1a1d23;
    --color-neutral-off-white: #1f2329;
    --color-neutral-light-gray: #2d3139;
    --color-neutral-pale-beige: #252932;
    --color-neutral-border-gray: #353945;

    --color-slate-dark: #e2e8f0;
    --color-slate-medium: #94a3b8;

    --color-border-light: #353945;
    --color-surface-success: rgba(74, 222, 128, 0.15);
    --color-surface-warning: rgba(251, 191, 36, 0.15);
    --color-success-teal: #4ade80;

    --shadow-soft: 0px 4px 20px 0px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0px 12px 28px 0px rgba(0, 0, 0, 0.4);
    --shadow-elevated: 0px 0px 0px 1px rgba(255, 255, 255, 0.05), 0px 10px 25px 0px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0px 2px 8px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--color-neutral-white);
    color: var(--color-primary-medium-slate);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Dark Mode Toggle Button */
.theme-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 20px;
    color: var(--color-slate-dark);
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
}

.theme-toggle:hover {
    background: var(--color-neutral-pale-beige);
    color: var(--color-primary-navy);
}

/* Accessibility Focus States */
:focus-visible {
    outline: 3px solid var(--focus-ring-color);
    outline-offset: 3px;
    border-radius: 6px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-primary-dark-slate);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(28px, 4vw, 48px); line-height: 1.25; font-weight: 800; }
h2 { font-size: clamp(24px, 3.5vw, 36px); line-height: 1.3; font-weight: 800; }
h3 { font-size: clamp(20px, 2.5vw, 28px); line-height: 1.4; }

p {
    margin-bottom: 16px;
}

/* Layout & Containers */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding-top: 64px;
    padding-bottom: 64px;
}

/* Header & Navbar */
.nav-header {
    padding-top: 24px;
    padding-bottom: 16px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-header img {
    transition: transform 0.2s ease;
}

.nav-header img:hover {
    transform: scale(1.02);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    min-height: 48px;
    box-sizing: border-box;
}

.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary {
    background-color: var(--color-primary-navy);
    color: var(--color-neutral-white);
    border: 2px solid var(--color-primary-navy);
    box-shadow: 0 2px 8px rgba(0, 52, 94, 0.15);
}

.btn-primary:hover {
    background-color: #00254A;
    border-color: #00254A;
    box-shadow: 0 4px 14px rgba(0, 52, 94, 0.25);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-dark-slate);
    border: 2px solid var(--color-primary-dark-slate);
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: var(--color-neutral-pale-beige);
    color: var(--color-primary-navy);
    border-color: var(--color-primary-navy);
    transform: translateY(-2px);
}

.btn-secondary-cyan {
    background-color: transparent;
    color: var(--color-accent-cyan-dark);
    border: 2px solid var(--color-accent-cyan-dark);
    font-weight: 600;
}

.btn-secondary-cyan:hover {
    background-color: #F0F9FF;
    color: #0369A1;
    border-color: #0369A1;
    transform: translateY(-2px);
}

/* Cards & Feature Items */
.card {
    background-color: var(--color-neutral-white);
    border-radius: 12px;
    border: 1px solid var(--color-neutral-border-gray);
    box-shadow: var(--shadow-soft);
    padding: 32px;
    height: 100%;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: #CBD5E1;
}

.card h4 {
    color: var(--color-primary-navy);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

/* Feature Icon Chip */
.feature-icon-chip {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background-color: #EFF6FF;
    color: var(--color-accent-cyan-dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 18px;
}

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
    min-height: 65vh;
    padding-top: 40px;
    padding-bottom: 60px;
    gap: 40px;
}

.hero-content {
    flex: 1.1;
}

.hero-title {
    color: var(--color-primary-navy);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-primary-dark-slate);
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-image {
    flex: 0.9;
    text-align: right;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-elevated);
}

/* Features Section */
.features-section {
    background-color: var(--color-neutral-pale-beige);
    border-top: 1px solid var(--color-neutral-border-gray);
    border-bottom: 1px solid var(--color-neutral-border-gray);
}

.features-banner {
    text-align: center;
    margin-bottom: 40px;
}

.features-banner-text {
    font-size: 17px;
    color: var(--color-primary-dark-slate);
    line-height: 1.65;
    max-width: 800px;
    margin: 0 auto;
    font-weight: 500;
}

.features-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}

.feature-card {
    grid-column: span 6;
}

.feature-card-full {
    grid-column: span 12;
    background-color: var(--color-primary-navy);
    color: var(--color-neutral-white);
    border: 1px solid #0B4F82;
}

.feature-card-full:hover {
    border-color: #1D6FA5;
}

.feature-card-full h4,
.feature-card-full p {
    color: var(--color-neutral-white);
}

.feature-card-full .feature-icon-chip {
    background-color: rgba(255, 255, 255, 0.12);
    color: #38BDF8;
}

/* Benefits Section */
.benefits-section {
    display: flex;
    align-items: center;
    gap: 48px;
}

.benefits-image {
    flex: 1;
}

.benefits-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-elevated);
}

.benefits-content {
    flex: 1;
}

.benefits-list {
    list-style: none;
    margin-top: 28px;
}

.benefits-list li {
    position: relative;
    padding-left: 36px;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-primary-dark-slate);
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 2px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: #ECFDF5;
    color: var(--color-accent-teal-dark); /* High-contrast teal 4.65:1 */
    font-weight: 800;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #A7F3D0;
}

/* Footer Section */
.site-footer {
    background-color: var(--color-primary-navy);
    color: var(--color-neutral-white);
    padding: 60px 0 24px 0;
    margin-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col {
    flex: 1;
    min-width: 180px;
}

.footer-col-wide {
    flex: 1.5;
    min-width: 250px;
}

.footer-title {
    color: #38BDF8;
    margin-bottom: 20px;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link-item {
    margin-bottom: 8px;
}

.footer-link-item a {
    color: #E2E8F0;
    text-decoration: none;
    font-size: 15px;
    display: inline-block;
    padding: 4px 0;
    transition: color 0.2s ease, transform 0.2s ease;
}

.footer-link-item a:hover {
    color: #38BDF8;
    transform: translateX(2px);
}

.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-list li {
    color: #E2E8F0;
    font-size: 15px;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    line-height: 1.5;
}

.footer-contact-list li i {
    color: #38BDF8;
    margin-right: 12px;
    margin-top: 4px;
    width: 18px;
    text-align: center;
    font-size: 16px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    color: #94A3B8;
    font-size: 14px;
}

/* Forms Base */
.form-group {
    margin-bottom: 24px;
    text-align: left;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--color-primary-dark-slate);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-neutral-border-gray);
    border-radius: 8px;
    font-family: inherit;
    font-size: 16px;
    color: var(--color-primary-dark-slate);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent-cyan-dark);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.auth-card {
    max-width: 500px;
    margin: 0 auto;
    padding: 40px;
}

.auth-page {
    background-color: var(--color-primary-navy);
    background-image: radial-gradient(rgba(255, 255, 255, 0.15) 2px, transparent 2px);
    background-size: 30px 30px;
    min-height: 100vh;
}

/* Responsive Breakpoints & Fluid Stacks */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .hero-section {
        gap: 24px;
    }

    .features-grid {
        grid-template-columns: repeat(12, 1fr);
        gap: 16px;
    }

    .feature-card {
        grid-column: span 6;
    }

    .feature-card-full {
        grid-column: span 12;
    }

    .benefits-section {
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-header {
        padding-top: 20px;
    }

    .hero-section, .benefits-section {
        flex-direction: column;
        text-align: center;
        padding-top: 24px;
        padding-bottom: 40px;
    }
    
    .hero-content, .benefits-content, .benefits-image {
        padding-right: 0;
        margin-bottom: 24px;
        width: 100%;
    }

    .hero-image {
        text-align: center;
        width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card, .feature-card-full {
        grid-column: span 1;
    }
    
    .benefits-list li {
        text-align: left;
    }

    .footer-grid {
        flex-direction: column;
        gap: 32px;
    }

    .footer-col, .footer-col-wide {
        width: 100%;
        min-width: auto;
    }
}


/* =========================================
   ADMIN LAYOUT (SIDEBAR & DASHBOARD)
   ========================================= */
.admin-layout {
    display: flex;
    min-height: 100vh;
    background-color: var(--color-neutral-pale-beige);
}

.admin-sidebar {
    width: 260px;
    background-color: var(--color-primary-navy);
    color: var(--color-neutral-white);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: fixed;
    height: 100vh;
    height: 100dvh; /* Tinggi presisi di mobile */
    z-index: 1000;
}

.admin-sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
}

.admin-sidebar-header img {
    height: 40px;
    border-radius: 8px;
}

.admin-sidebar-menu {
    list-style: none;
    padding: 20px 0;
    margin: 0;
    flex: 1 1 auto;
    overflow-y: auto; /* Hanya menu yang scroll */
    min-height: 0; /* Penting untuk flex-child scrolling */
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

/* Kustomisasi scrollbar sidebar menu */
.admin-sidebar-menu::-webkit-scrollbar {
    width: 6px;
}
.admin-sidebar-menu::-webkit-scrollbar-track {
    background: transparent;
}
.admin-sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}
.admin-sidebar-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

.admin-sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 16px 24px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.admin-sidebar-menu li a:hover, .admin-sidebar-menu li.active a {
    color: var(--color-neutral-white);
    background-color: rgba(255,255,255,0.1);
    border-left: 4px solid var(--color-accent-soft-blue);
}

.admin-sidebar-menu li a i {
    margin-right: 12px;
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.admin-main-wrapper {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    min-height: 100vh;
    min-width: 0; /* Important flexbox fix so content doesn't force wrapper to expand beyond screen width */
}

.admin-topbar {
    height: 75px;
    background-color: var(--color-neutral-white);
    box-shadow: 0 2px 10px rgba(30, 34, 40, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 999;
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-primary-navy);
}

.admin-content {
    padding: 32px;
    flex: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--color-neutral-white);
    padding: 24px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    border-top: 4px solid var(--color-primary-navy);
}

.stat-card h3 {
    font-size: 14px;
    color: var(--color-slate-medium);
    margin: 0 0 8px 0;
    font-weight: 500;
}

.stat-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary-navy);
    margin: 0;
}

.stat-card.success { border-top-color: var(--color-accent-teal); }
.stat-card.warning { border-top-color: #F39C12; }
.stat-card.danger { border-top-color: #E74C3C; }
.stat-card.info { border-top-color: var(--color-accent-cyan); }

/* Responsive Admin */
@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.show {
        transform: translateX(0);
    }
    .overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    .overlay.show {
        display: block;
        opacity: 1;
    }
    .admin-main-wrapper {
        margin-left: 0;
    }
    .hamburger-btn {
        display: block;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .admin-content {
        padding: 16px;
    }
    .admin-topbar {
        padding: 0 16px;
    }
}

body.sidebar-open {
    overflow: hidden;
}