/* ============================================================
   TEMA MODERN — tampilan lebih kekinian untuk SLiMS
   (rounded corners, shadow halus, transisi, tipografi rapi)
   File ini murni TAMBAHAN — tidak mengubah file/struktur/fungsi
   SLiMS yang asli, cuma "menimpa" tampilannya lewat CSS.
   ============================================================ */

:root {
    --brand-primary: #0f172a;
    --brand-primary-light: #1e293b;
    --brand-accent: #f59e0b;
    --brand-accent-light: #fbbf24;
    --surface: #ffffff;
    --surface-muted: #f8fafc;
    --border-soft: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-soft: 0 2px 10px rgba(15, 23, 42, 0.06);
    --shadow-hover: 0 12px 32px rgba(15, 23, 42, 0.12);
}

* {
    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease, transform 0.2s ease, color 0.2s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--surface-muted);
    color: var(--text-main);
    line-height: 1.6;
}

h1, h2, h3, h4, h5 {
    font-family: inherit;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* ---------- Navbar ---------- */
.navbar {
    background-color: var(--brand-primary) !important;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
    box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 4px 20px rgba(0,0,0,0.15);
}
.navbar .navbar-brand h1 {
    font-weight: 700;
    color: #fff !important;
    letter-spacing: -0.02em;
}
.navbar .navbar-brand h2 {
    color: rgba(255,255,255,0.55) !important;
    font-weight: 400;
}
.navbar-nav .nav-link {
    color: rgba(255,255,255,0.72) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
}
.navbar-nav .nav-item.active .nav-link,
.navbar-nav .nav-link:hover {
    color: #fff !important;
    background-color: rgba(255,255,255,0.08);
}
.navbar-toggler {
    border-color: rgba(255,255,255,0.25) !important;
    border-radius: 8px;
}
.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-hover);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    margin-top: 8px;
}
.dropdown-item {
    border-radius: 8px;
    padding: 0.55rem 0.9rem;
}
.dropdown-item:hover {
    background-color: #fff7ed;
    color: var(--brand-primary);
}

/* ---------- Buttons ---------- */
.btn {
    border-radius: 10px !important;
    font-weight: 500;
    padding: 0.55rem 1.25rem;
    border: none;
}
.btn-primary,
.btn.btn-primary {
    background-color: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    box-shadow: 0 2px 8px rgba(15,23,42,0.18);
}
.btn-primary:hover,
.btn.btn-primary:hover {
    background-color: var(--brand-primary-light) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(15,23,42,0.24);
}
.btn-outline-primary {
    color: var(--brand-primary) !important;
    border: 1.5px solid var(--brand-primary) !important;
    background: transparent !important;
}
.btn-outline-primary:hover {
    background-color: var(--brand-primary) !important;
    color: #fff !important;
    transform: translateY(-1px);
}
a { color: var(--brand-primary); }
a:hover { color: var(--brand-accent); }

/* ---------- Search bar ---------- */
.search-form input,
.form-search input,
input[type="text"],
input[type="search"] {
    border-radius: 10px !important;
    border: 1.5px solid var(--border-soft) !important;
    padding: 0.6rem 1rem !important;
}
.search-form input:focus,
.form-search input:focus,
input[type="text"]:focus,
input[type="search"]:focus {
    border-color: var(--brand-primary) !important;
    box-shadow: 0 0 0 3px rgba(15,23,42,0.08) !important;
    outline: none;
}
.search-form .btn,
#search-submit,
.form-search .btn {
    background-color: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    border-radius: 10px !important;
}

/* ---------- Cards & hasil pencarian buku ---------- */
.card {
    border: 1px solid var(--border-soft) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}
.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}
.card-title a {
    color: var(--brand-primary);
    font-weight: 600;
}
.card-title a:hover { color: var(--brand-accent-light); }
.card-img-top, .card img {
    border-radius: 0 !important;
}

/* ---------- Section headings ---------- */
.section-title,
h2.title,
.widget-title {
    color: var(--brand-primary);
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 1.25rem;
}
.section-title::after,
h2.title::after,
.widget-title::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 48px; height: 4px;
    background: var(--brand-accent-light);
    border-radius: 4px;
}

/* ---------- Badges ---------- */
.badge {
    border-radius: 999px !important;
    padding: 0.4em 0.85em !important;
    font-weight: 500;
}
.badge-primary, .badge.badge-primary { background-color: var(--brand-primary) !important; }
.badge-danger, .badge.badge-danger { background-color: var(--brand-accent-light) !important; color: var(--brand-primary) !important; }

/* ---------- Panels / boxes umum ---------- */
.panel, .box, .well {
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--border-soft) !important;
    box-shadow: var(--shadow-soft);
}

/* ---------- Tabel ---------- */
table.table {
    border-radius: var(--radius-md);
    overflow: hidden;
}
.table thead th {
    background-color: var(--surface-muted);
    border-bottom: 2px solid var(--border-soft) !important;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
}

/* ---------- Pagination ---------- */
.pagination { gap: 4px; }
.page-item .page-link {
    border-radius: 8px !important;
    border: 1px solid var(--border-soft) !important;
    color: var(--brand-primary) !important;
    margin: 0 2px;
}
.page-item.active .page-link {
    background-color: var(--brand-primary) !important;
    border-color: var(--brand-primary) !important;
    color: #fff !important;
}

/* ---------- Footer ---------- */
footer, .footer {
    background-color: var(--brand-primary) !important;
    color: rgba(255,255,255,0.6) !important;
    padding-top: 2.5rem;
}
footer a, .footer a { color: rgba(255,255,255,0.85) !important; }
footer a:hover, .footer a:hover { color: var(--brand-accent-light) !important; }

/* ---------- Scrollbar halus (opsional, kosmetik) ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-muted); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }