/* =====================================================
   KIDS THEME - Tema Modern & Ceria untuk Anak SD
   Inspired by BukuAku.id - Clean, Modern, Kid-friendly
   ===================================================== */

/* Google Fonts loaded via preload in header.php for better performance */

:root {
    /* Font - Mengikuti BukuAku */
    --font-heading: 'Fredoka', 'Fredoka Fallback', 'Nunito', 'Nunito Fallback', sans-serif;
    --font-body: 'Open Sans', 'Open Sans Fallback', 'Nunito', 'Nunito Fallback', sans-serif;
    --font-fun: 'Fredoka', 'Fredoka Fallback', sans-serif;

    /* 4 Warna Ceria Utama - Distribusi Seimbang */
    --color-sage: #a8bd91;      /* Sage Green - Calm & Natural */
    --color-peach: #ffad85;     /* Peach - Warm & Friendly */
    --color-cyan: #c2eeff;      /* Sky Blue - Fresh & Clean */
    --color-yellow: #ffec82;    /* Yellow - Happy & Bright */

    /* Primary menggunakan Peach */
    --primary: #ffad85;
    --primary-dark: #ffad85;
    --primary-light: #ffd4b8;

    /* Warna Aksen - Keempat warna utama */
    --accent-sage: #a8bd91;
    --accent-peach: #ffad85;
    --accent-cyan: #c2eeff;
    --accent-yellow: #ffec82;
    --accent-red: #ff9999;
    --accent-green: #a8bd91;
    --accent-orange: #ffad85;

    /* Warna Legacy (untuk kompatibilitas) */
    --kids-red: #ff9999;
    --kids-orange: #ffad85;
    --kids-yellow: #ffec82;
    --kids-green: #a8bd91;
    --kids-teal: #c2eeff;
    --kids-blue: #c2eeff;
    --kids-purple: #ffad85;
    --kids-pink: #ffb3d9;

    /* Background - Soft & Warm */
    --bg-light: #fffef8;
    --bg-gradient: #fff9f0;

    /* Text */
    --text-dark: #4a4a4a;
    --text-medium: #6b6b6b;
    --text-light: #8a8a8a;
    --text-muted: #b8b8b8;

    /* Shadow - Menggunakan keempat warna */
    --shadow-sm: 0 2px 8px rgba(168, 189, 145, 0.15);
    --shadow-md: 0 4px 16px rgba(194, 238, 255, 0.2);
    --shadow-lg: 0 8px 32px rgba(255, 173, 133, 0.15);
    --shadow-yellow: 0 4px 16px rgba(255, 236, 130, 0.2);

    /* Border Radius - Rounded seperti BukuAku */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50px;
}

/* =====================================================
   BASE STYLES - Clean seperti BukuAku
   ===================================================== */
body {
    font-family: var(--font-body) !important;
    background: var(--bg-light) !important;
    min-height: 100vh;
    font-size: 18px !important;
    letter-spacing: 0.3px !important;
    line-height: 1.7 !important;
    color: var(--text-dark) !important;
}

/* Semua heading pakai font kids */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-heading) !important;
    letter-spacing: 1px !important;
}

/* Paragraf dan text biasa - ukuran ramah anak SD */
p, span, a, li, td, th, label, input, textarea, select, button {
    font-family: var(--font-body) !important;
}

/* Ukuran font minimum untuk anak SD kelas 1-6 */
p, .text, .description, .card-text {
    font-size: 1rem !important; /* = 20px (base) - cocok untuk kelas 1-6 */
    line-height: 1.8 !important;
    word-spacing: 2px !important;
}

/* Link lebih besar dan jelas */
a {
    font-size: inherit !important;
    font-weight: 500 !important;
}

/* Tabel lebih besar */
td, th {
    font-size: 1rem !important;
    padding: 12px !important;
}

/* Label form */
label {
    font-size: 1.1rem !important;
    font-weight: 600 !important;
}

/* Text khusus yang fun */
.fun-text, .badge, .btn {
    font-family: var(--font-fun) !important;
}

/* Badge lebih besar */
.badge {
    font-size: 0.95rem !important;
    padding: 8px 14px !important;
}

/* Small text tidak boleh terlalu kecil - minimal 16px untuk kelas 1-2 */
small, .small, .text-muted {
    font-size: 0.85rem !important; /* = 17px - masih terbaca untuk kelas 1 */
    line-height: 1.6 !important;
}

/* =====================================================
   NAVBAR - Warna Peach Utama
   ===================================================== */
.navbar, nav.navbar {
    background: var(--primary) !important;
    border-bottom: none !important;
    box-shadow: var(--shadow-md) !important;
    padding: 12px 0 !important;
}

.navbar-brand, .navbar .brand {
    font-family: var(--font-heading) !important;
    font-size: 1.6rem !important;
    font-weight: 600 !important;
    color: white !important;
    text-shadow: none !important;
    letter-spacing: 1px !important;
}

.navbar .nav-link {
    font-family: var(--font-fun) !important;
    color: rgba(255,255,255,0.9) !important;
    font-weight: 500 !important;
    font-size: 1rem !important;
    text-shadow: none !important;
    transition: all 0.25s ease !important;
    letter-spacing: 0.5px !important;
    padding: 10px 16px !important;
    border-radius: var(--radius-sm) !important;
}

.navbar .nav-link:hover {
    transform: translateY(-2px) !important;
    color: white !important;
    background: rgba(255,255,255,0.15) !important;
}

/* =====================================================
   SEARCH BOX - Clean Modern seperti BukuAku
   ===================================================== */
#search-wraper .card, .search-box {
    background: white !important;
    border: none !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
}

#search-wraper .form-control, .search-input {
    border: 2px solid var(--color-yellow) !important;
    border-radius: var(--radius-full) !important;
    font-size: 1.05rem !important;
    padding: 14px 24px !important;
    background: #fffef8 !important;
}

#search-wraper .form-control:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 4px rgba(255, 173, 133, 0.15) !important;
    background: white !important;
}

#search-wraper .btn-primary, .search-btn {
    background: var(--primary) !important;
    border: none !important;
    border-radius: var(--radius-full) !important;
    font-weight: 600 !important;
    padding: 14px 28px !important;
    transition: all 0.25s ease !important;
}

#search-wraper .btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px rgba(255, 173, 133, 0.35) !important;
    background: var(--primary-dark) !important;
}

/* =====================================================
   KATEGORI BUKU - DDC Category Tabs (Clean & Colorful)
   ===================================================== */
/* Container kategori */
.ddc-tabs-container, .ddc-tabs {
    gap: 8px !important;
}

/* DDC Tab - Tombol Kategori Clean */
.ddc-tab {
    background: white !important;
    border: 2px solid #ffd4b8 !important;
    border-radius: var(--radius-md) !important;
    padding: 10px 14px !important;
    font-family: var(--font-fun) !important;
    font-size: 0.95rem !important;
    font-weight: 500 !important;
    transition: all 0.25s ease !important;
    box-shadow: var(--shadow-sm) !important;
    min-width: 70px !important;
    color: var(--text-medium) !important;
}

/* DDC Tab Hover - Smooth */
.ddc-tab:hover {
    transform: translateY(-4px) !important;
    box-shadow: var(--shadow-md) !important;
    border-color: var(--primary-light) !important;
    color: var(--primary) !important;
}

/* DDC Tab Active - 4 Warna Ceria */
.ddc-tab.active {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
    box-shadow: 0 4px 15px rgba(255, 173, 133, 0.35) !important;
}

/* Warna aksen untuk icon - Rotasi 4 Warna Ceria */
.ddc-tab:nth-child(1) i { color: var(--color-cyan) !important; }
.ddc-tab:nth-child(2) i { color: var(--color-sage) !important; }
.ddc-tab:nth-child(3) i { color: var(--color-peach) !important; }
.ddc-tab:nth-child(4) i { color: var(--color-yellow) !important; }
.ddc-tab:nth-child(5) i { color: var(--color-cyan) !important; }
.ddc-tab:nth-child(6) i { color: var(--color-sage) !important; }
.ddc-tab:nth-child(7) i { color: var(--color-peach) !important; }
.ddc-tab:nth-child(8) i { color: var(--color-yellow) !important; }
.ddc-tab:nth-child(9) i { color: var(--color-cyan) !important; }
.ddc-tab:nth-child(10) i { color: var(--color-sage) !important; }
.ddc-tab:nth-child(11) i { color: var(--color-peach) !important; }

/* Active tab menggunakan warna yang sesuai dengan posisinya */
.ddc-tab:nth-child(4n+1).active { background: var(--color-cyan) !important; border-color: var(--color-cyan) !important; }
.ddc-tab:nth-child(4n+2).active { background: var(--color-sage) !important; border-color: var(--color-sage) !important; }
.ddc-tab:nth-child(4n+3).active { background: var(--color-peach) !important; border-color: var(--color-peach) !important; }
.ddc-tab:nth-child(4n+4).active { background: var(--color-yellow) !important; border-color: var(--color-yellow) !important; color: #4a4a4a !important; }

.ddc-tab.active i { color: white !important; }
.ddc-tab:nth-child(4n+4).active i { color: #4a4a4a !important; }

/* DDC Tab Icon */
.ddc-tab i {
    font-size: 1.3rem !important;
    transition: all 0.25s ease !important;
}

.ddc-tab:hover i {
    transform: scale(1.1) !important;
}

/* DDC Tab Name - Label */
.ddc-tab-name {
    font-family: var(--font-fun) !important;
    font-size: 0.75rem !important;
    font-weight: 500 !important;
    margin-top: 3px !important;
}

/* Legacy category buttons (fallback) - Clean Style */
.category-btn, .slims-subject button, .subject-btn,
button[class*="subject"], .btn-subject, .nav-pills .nav-link,
.category-container button, .subject-container button {
    background: white !important;
    border: 2px solid #ffd4b8 !important;
    border-radius: var(--radius-md) !important;
    padding: 12px 18px !important;
    font-family: var(--font-fun) !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    transition: all 0.25s ease !important;
    box-shadow: var(--shadow-sm) !important;
    color: var(--text-medium) !important;
}

/* Hover efek kategori - Clean */
.category-btn:hover, .slims-subject button:hover, .nav-pills .nav-link:hover {
    transform: translateY(-3px) !important;
    box-shadow: var(--shadow-md) !important;
    border-color: var(--primary-light) !important;
    color: var(--primary) !important;
}

/* Kategori aktif - 4 Warna Ceria */
.category-btn.active, .slims-subject button.active, .nav-pills .nav-link.active,
.category-btn:focus, .slims-subject button:focus {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
}

/* Icon dalam kategori */
.category-btn i, .slims-subject button i, .nav-pills .nav-link i {
    font-size: 1.2rem !important;
    margin-right: 6px !important;
}

/* =====================================================
   SEARCH INPUT - Clean Modern seperti BukuAku
   ===================================================== */
/* Search Wrapper Card - Clean */
#search-wraper .card {
    border: none !important;
    border-radius: var(--radius-lg) !important;
    overflow: visible !important;
    background: white !important;
    box-shadow: var(--shadow-lg) !important;
}

/* Input Pencarian - Clean */
.form-control, input[type="text"], input[type="search"] {
    font-family: var(--font-body) !important;
    border: 2px solid #ffd4b8 !important;
    border-radius: var(--radius-full) !important;
    padding: 14px 22px !important;
    font-size: 1.05rem !important;
    transition: all 0.25s ease !important;
    background: #fffef8 !important;
}

.form-control:focus, input[type="text"]:focus, input[type="search"]:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 4px rgba(255, 173, 133, 0.15) !important;
    background: white !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
    font-family: var(--font-body) !important;
}

/* Tombol Submit - 4 Warna Ceria */
.btn[type="submit"], button[type="submit"] {
    background: var(--primary) !important;
    border: none !important;
    border-radius: var(--radius-full) !important;
    padding: 14px 28px !important;
    font-family: var(--font-heading) !important;
    font-size: 1rem !important;
    color: white !important;
    box-shadow: 0 4px 15px rgba(255, 173, 133, 0.3) !important;
    transition: all 0.25s ease !important;
}

/* Hover efek tombol - Clean */
.btn[type="submit"]:hover, button[type="submit"]:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(255, 173, 133, 0.4) !important;
    background: var(--primary-dark) !important;
}

/* Advanced Search Button - Clean */
#search-wraper .btn-outline-primary {
    border: 2px solid var(--primary-light) !important;
    color: var(--primary) !important;
    border-radius: var(--radius-sm) !important;
    font-family: var(--font-fun) !important;
    background: transparent !important;
}

#search-wraper .btn-outline-primary:hover {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
}

/* =====================================================
   CARDS - Clean Modern seperti BukuAku
   ===================================================== */
.card {
    border: none !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: all 0.3s ease !important;
    overflow: hidden !important;
    background: white !important;
}

.card:hover {
    transform: translateY(-6px) !important;
    box-shadow: var(--shadow-lg) !important;
}

.card-title, .card h5, .card h6 {
    font-family: var(--font-heading) !important;
    color: var(--text-dark) !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.3px !important;
    line-height: 1.4 !important;
}

/* Konten kartu buku */
.card-body {
    padding: 16px !important;
}

.card-body p, .card-text {
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
    color: var(--text-medium) !important;
}

/* Author/Penulis */
.card .author, .card .text-muted {
    font-size: 0.9rem !important;
    font-weight: 500 !important;
    color: var(--text-light) !important;
}

/* Koleksi buku - 4 warna ceria bergantian */
.collection .card:nth-child(4n+1) {
    border-left: 4px solid var(--color-peach) !important;
}

.collection .card:nth-child(4n+2) {
    border-left: 4px solid var(--color-sage) !important;
}

.collection .card:nth-child(4n+3) {
    border-left: 4px solid var(--color-cyan) !important;
}

.collection .card:nth-child(4n+4) {
    border-left: 4px solid var(--color-yellow) !important;
}

.collection .card:hover {
    border-left-width: 6px !important;
}

/* =====================================================
   SECTION HEADERS - Clean seperti BukuAku
   ===================================================== */
section h2, .section-title {
    font-family: var(--font-heading) !important;
    font-size: 1.8rem !important;
    color: var(--text-dark) !important;
    text-align: center !important;
    position: relative !important;
    letter-spacing: 0.5px !important;
    font-weight: 600 !important;
    margin-bottom: 30px !important;
}

section h2::after {
    content: "" !important;
    display: block !important;
    width: 80px !important;
    height: 4px !important;
    background: linear-gradient(to right, var(--color-peach) 0%, var(--color-peach) 25%, var(--color-sage) 25%, var(--color-sage) 50%, var(--color-cyan) 50%, var(--color-cyan) 75%, var(--color-yellow) 75%, var(--color-yellow) 100%) !important;
    border-radius: 2px !important;
    margin: 12px auto 0 !important;
}

/* =====================================================
   BUTTONS - Clean Modern seperti BukuAku
   ===================================================== */
.btn {
    border-radius: var(--radius-full) !important;
    font-weight: 600 !important;
    transition: all 0.25s ease !important;
    font-family: var(--font-fun) !important;
    padding: 12px 24px !important;
}

.btn-primary {
    background: var(--primary) !important;
    border: none !important;
    color: white !important;
}

.btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(255, 173, 133, 0.35) !important;
    background: var(--primary-dark) !important;
}

.btn-success {
    background: var(--accent-green) !important;
    border: none !important;
    color: white !important;
}

.btn-success:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(168, 189, 145, 0.35) !important;
}

.btn-warning {
    background: var(--accent-orange) !important;
    border: none !important;
    color: white !important;
}

.btn-warning:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(255, 173, 133, 0.35) !important;
}

.btn-danger {
    background: var(--accent-red) !important;
    border: none !important;
    color: white !important;
}

.btn-danger:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.35) !important;
}

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

.btn-outline-primary:hover {
    background: var(--primary) !important;
    color: white !important;
}

/* =====================================================
   STATISTIK SECTION - Clean seperti BukuAku
   ===================================================== */
.s-dashboard .card, .stat-card {
    background: white !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm) !important;
    border: none !important;
    transition: all 0.25s ease !important;
}

.s-dashboard .card:hover, .stat-card:hover {
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-4px) !important;
}

.stat-card:nth-child(4n+1) {
    border-left: 4px solid var(--color-peach) !important;
}

.stat-card:nth-child(4n+2) {
    border-left: 4px solid var(--color-sage) !important;
}

.stat-card:nth-child(4n+3) {
    border-left: 4px solid var(--color-cyan) !important;
}

.stat-card:nth-child(4n+4) {
    border-left: 4px solid var(--color-yellow) !important;
}

.s-widget-value {
    font-family: var(--font-heading) !important;
    font-size: 2rem !important;
    color: var(--primary) !important;
    font-weight: 700 !important;
}

/* Stat value colors bergantian */
.stat-card:nth-child(4n+1) .s-widget-value { color: var(--color-peach) !important; }
.stat-card:nth-child(4n+2) .s-widget-value { color: var(--color-sage) !important; }
.stat-card:nth-child(4n+3) .s-widget-value { color: var(--color-cyan) !important; }
.stat-card:nth-child(4n+4) .s-widget-value { color: var(--color-yellow) !important; }

/* =====================================================
   KOLEKSI BUKU - Book Cards Clean
   ===================================================== */
.collection .card-image {
    position: relative !important;
    overflow: hidden !important;
    border-radius: var(--radius-md) !important;
}

.collection .card-image img {
    transition: all 0.35s ease !important;
}

.collection .card:hover .card-image img {
    transform: scale(1.05) !important;
}

/* =====================================================
   FOOTER - Warna Sage Green
   ===================================================== */
footer, .footer {
    background: var(--color-sage) !important;
    color: white !important;
    position: relative !important;
}

footer a, .footer a {
    color: rgba(255,255,255,0.85) !important;
    transition: color 0.25s ease !important;
}

footer a:hover, .footer a:hover {
    color: white !important;
}

/* =====================================================
   ANIMASI - Smooth & Subtle seperti BukuAku
   ===================================================== */
/* Smooth fade in */
.fade-in {
    animation: fadeIn 0.5s ease !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Subtle scale on hover */
.scale-hover {
    transition: transform 0.25s ease !important;
}

.scale-hover:hover {
    transform: scale(1.02) !important;
}

/* =====================================================
   REVIEW CARD - Clean Style
   ===================================================== */
.review-card {
    background: white !important;
    border: none !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: all 0.25s ease !important;
}

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

/* =====================================================
   RESPONSIVE - Mobile Friendly untuk Anak SD
   ===================================================== */
@media (max-width: 768px) {
    body {
        font-size: 16px !important;
        line-height: 1.6 !important;
    }

    section h2, .section-title {
        font-size: 1.4rem !important;
    }

    section h2::after {
        width: 40px !important;
    }

    .navbar-brand {
        font-size: 1.2rem !important;
    }

    .s-widget-value {
        font-size: 1.5rem !important;
    }

    .card-title, .card h5, .card h6 {
        font-size: 1rem !important;
    }

    p, .card-text {
        font-size: 0.9rem !important;
        line-height: 1.6 !important;
    }

    /* Touch-friendly buttons */
    .btn {
        padding: 12px 20px !important;
        font-size: 0.95rem !important;
        min-height: 44px !important;
    }

    /* DDC tabs mobile */
    .ddc-tab {
        padding: 8px 10px !important;
        min-width: 55px !important;
        min-height: 44px !important;
    }

    .ddc-tab i {
        font-size: 1.1rem !important;
    }

    .ddc-tab-name {
        font-size: 0.65rem !important;
    }

    .navbar .nav-link {
        font-size: 0.95rem !important;
        padding: 10px 12px !important;
    }

    small, .small, .text-muted {
        font-size: 0.8rem !important;
    }
}

/* =====================================================
   CUSTOM SCROLLBAR - Clean
   ===================================================== */
::-webkit-scrollbar {
    width: 10px !important;
}

::-webkit-scrollbar-track {
    background: #fff9f0 !important;
}

::-webkit-scrollbar-thumb {
    background: var(--color-peach) !important;
    border-radius: 5px !important;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-sage) !important;
}

/* =====================================================
   STAR RATING
   ===================================================== */
.star-rating i {
    color: var(--accent-orange) !important;
}

/* =====================================================
   ACCESSIBILITY - Reduced Motion
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}