/* ================================================================
   ROOT VARIABLES - TEMA AQUA MINT
   ================================================================ */
:root {
    /* Primary - Aqua Mint */
    --primary: #2EC4B6;
    --primary-dark: #1A8A7A;
    --primary-light: #6DD5C9;
    --primary-bg: #F0FCFA;
    
    /* Secondary - Coral */
    --secondary: #FF6B6B;
    --secondary-light: #FF8E8E;
    --secondary-bg: #FFF5F5;
    
    /* Accent - Gold */
    --accent: #F9CA24;
    --accent-light: #FDE68A;
    
    /* Text */
    --text-dark: #1A2E35;
    --text-medium: #4A5A60;
    --text-light: #6B7A7F;
    
    /* Neutral */
    --white: #FFFFFF;
    --grey-light: #F5F7F8;
    --grey-border: #E8ECED;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2EC4B6 0%, #1A8A7A 100%);
    --gradient-secondary: linear-gradient(135deg, #FF6B6B 0%, #FF8E8E 100%);
    --gradient-hero: linear-gradient(160deg, #F0FCFA 0%, #E8F8F5 40%, #FFFFFF 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    padding-top: 70px;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ================================================================
   CONTAINER
   ================================================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(46, 196, 182, 0.3);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(46, 196, 182, 0.2);
}

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

.btn-secondary:hover {
    background: #E55A5A;
    border-color: #E55A5A;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-success {
    background: #27AE60;
    color: var(--white);
    border: 2px solid #27AE60;
}

.btn-success:hover {
    background: #1E8449;
    border-color: #1E8449;
    transform: translateY(-2px);
}

.btn-warning {
    background: #F39C12;
    color: var(--white);
    border: 2px solid #F39C12;
}

.btn-warning:hover {
    background: #D68910;
    border-color: #D68910;
    transform: translateY(-2px);
}

.btn-danger {
    background: #E74C3C;
    color: var(--white);
    border: 2px solid #E74C3C;
}

.btn-danger:hover {
    background: #C0392B;
    border-color: #C0392B;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 36px;
    font-size: 16px;
}

/* ================================================================
   BADGES
   ================================================================ */
.badge {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
}

.badge-primary {
    background: var(--primary-bg);
    color: var(--primary-dark);
}

.badge-secondary {
    background: var(--secondary-bg);
    color: var(--secondary);
}

.badge-success {
    background: #D5F5E3;
    color: #27AE60;
}

.badge-warning {
    background: #FEF9E7;
    color: #F39C12;
}

.badge-danger {
    background: #FADBD8;
    color: #E74C3C;
}

/* ================================================================
   CARDS
   ================================================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--grey-border);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

/* ================================================================
   FORMS
   ================================================================ */
.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--grey-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(46, 196, 182, 0.1);
}

.form-input:disabled {
    background: var(--grey-light);
    color: var(--text-light);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-dark);
    margin-bottom: 4px;
}

/* ================================================================
   TABLES
   ================================================================ */
.table-wrapper {
    overflow-x: auto;
}

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

table th,
table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--grey-border);
}

table th {
    background: var(--grey-light);
    font-weight: 700;
    color: var(--text-dark);
}

table tr:hover {
    background: var(--grey-light);
}

/* ================================================================
   RESPONSIF UNTUK HP / ANDROID
   ================================================================ */

/* --- Container --- */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* --- Hero Section --- */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr !important;
        text-align: center;
    }
    
    .hero-title {
        font-size: 28px !important;
    }
    
    .hero-content {
        padding: 0 4px;
    }
    
    .hero-visual {
        margin-top: 20px;
    }
    
    .hero-book-wrapper img {
        max-width: 60%;
        margin: 0 auto;
        display: block;
    }
    
    .hero-stats {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .hero-stats .stat {
        flex: 0 0 auto;
        min-width: 80px;
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

/* --- Card Buku --- */
@media (max-width: 768px) {
    .book-card {
        max-width: 100%;
    }
    
    .book-card img {
        height: 180px !important;
    }
    
    .grid-books {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .grid-books {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    
    .book-card img {
        height: 140px !important;
    }
    
    .book-card .book-body {
        padding: 10px 8px !important;
    }
    
    .book-card .book-body h3 {
        font-size: 13px !important;
    }
}

/* --- Slide / Carousel --- */
@media (max-width: 768px) {
    #slideWrapper {
        grid-template-columns: 1fr 1fr !important;
        gap: 12px !important;
    }
}

@media (max-width: 480px) {
    #slideWrapper {
        grid-template-columns: 1fr 1fr !important;
        gap: 8px !important;
    }
}

/* --- Header & Nav --- */
@media (max-width: 992px) {
    .header-inner {
        padding: 12px 0;
    }
    
    .logo-text {
        font-size: 20px;
    }
    
    .nav-menu li a {
        font-size: 14px !important;
        padding: 10px 16px !important;
    }
}

/* --- Kontak --- */
@media (max-width: 768px) {
    .contact-card {
        padding: 20px 16px !important;
    }
    
    .contact-card .icon {
        font-size: 36px !important;
    }
}

/* --- Form --- */
@media (max-width: 768px) {
    .form-input {
        font-size: 16px !important; /* Mencegah zoom otomatis di iOS */
        padding: 10px 12px !important;
    }
    
    button, .btn {
        font-size: 16px !important;
        padding: 12px 20px !important;
    }
}

/* --- Footer --- */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 20px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr !important;
        text-align: center;
    }
}

/* --- Sinopsis --- */
@media (max-width: 768px) {
    #sinopsis-lengkap div[style*="max-width:800px"] {
        padding: 0 8px !important;
    }
    
    #sinopsis-lengkap div[style*="background:#FAF6F0"] {
        padding: 20px 16px !important;
    }
}

/* --- Kontrak / Dokumen --- */
@media (max-width: 768px) {
    .kontrak-wrapper {
        padding: 20px 16px !important;
    }
    
    .kontrak-wrapper::before {
        font-size: 40px !important;
    }
    
    .ttd-wrapper {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
}

/* --- Dashboard Cards --- */
@media (max-width: 768px) {
    .dashboard-card {
        padding: 16px !important;
    }
    
    .dashboard-card .icon {
        font-size: 28px !important;
    }
    
    .dashboard-card h3 {
        font-size: 15px !important;
    }
}

/* --- Statistik Cards --- */
@media (max-width: 480px) {
    .stat-card {
        padding: 12px !important;
    }
    
    .stat-card .number {
        font-size: 22px !important;
    }
}

/* --- Karya Item --- */
@media (max-width: 480px) {
    .karya-item {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    
    .karya-item .karya-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }
}

/* --- Detail Buku --- */
@media (max-width: 768px) {
    .detail-buku-grid {
        grid-template-columns: 1fr !important;
        text-align: center;
    }
    
    .detail-buku-grid .cover-wrapper {
        max-width: 200px;
        margin: 0 auto;
    }
}

/* --- Bab List --- */
@media (max-width: 768px) {
    .bab-item {
        flex-direction: column !important;
        align-items: stretch !important;
        text-align: center;
    }
    
    .bab-item .bab-status {
        margin-top: 4px;
    }
}

/* --- Canvas Tanda Tangan --- */
@media (max-width: 768px) {
    .canvas-wrapper canvas {
        max-width: 100% !important;
        height: auto !important;
    }
}

/* --- Kontrak Box --- */
@media (max-width: 768px) {
    .kontrak-box {
        padding: 16px !important;
    }
    
    .kontrak-box .ttd-wrapper {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
}

/* --- Page Header --- */
@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 30px !important;
    }
    
    .page-header h1 {
        font-size: 28px !important;
    }
    
    .page-header p {
        font-size: 16px !important;
    }
}

/* --- Tombol Aksi --- */
@media (max-width: 480px) {
    .tombol-aksi {
        flex-direction: column !important;
        align-items: center !important;
    }
    
    .tombol-aksi a, .tombol-aksi button {
        width: 100% !important;
        text-align: center !important;
    }
}

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

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }
.p-5 { padding: 48px; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }

.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.text-primary { color: var(--primary); }
.text-primary-dark { color: var(--primary-dark); }
.text-secondary { color: var(--secondary); }
.text-muted { color: var(--text-light); }
.text-white { color: var(--white); }

.bg-primary { background: var(--primary); }
.bg-primary-light { background: var(--primary-bg); }
.bg-secondary { background: var(--secondary); }
.bg-white { background: var(--white); }
.bg-grey { background: var(--grey-light); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: 50%; }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }