/* ==========================================================================
   Variabel Global (Warna, Tipografi, Spasi) — Light Mode (default)
   Semua warna PAKAI variabel ini di seluruh CSS lain, supaya Dark Mode
   otomatis "ikut jadi" tanpa perlu menimpa tiap file satu-satu.
   ========================================================================== */
:root {
  --primary-color: #137333;
  --primary-color-dark: #0f5c28;
  --primary-light: #e6f4ea;
  --accent-color: #f29900;

  --bg-main: #ffffff;
  --bg-soft-gray: #f7f9f7;
  --bg-secondary: #f1f3f4;

  --text-primary: #1b1f1c;
  --text-secondary: #5f6368;
  --text-muted: #80868b;
  --text-white: #ffffff;

  --border-color: #dde2dc;
  --border-light: #ecefe9;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px 0 rgba(30,40,32,0.06), 0 1px 3px 1px rgba(30,40,32,0.08);
  --shadow-md: 0 4px 10px -2px rgba(30,40,32,0.12), 0 2px 6px -2px rgba(30,40,32,0.08);
  --shadow-lg: 0 12px 24px -6px rgba(30,40,32,0.16), 0 4px 8px -2px rgba(30,40,32,0.08);

  --transition-fast: 0.18s ease-in-out;
  --transition-normal: 0.3s ease-in-out;

  --skeleton-base: #e2e8f0;
  --skeleton-highlight: #f0f4f8;

  color-scheme: light;
}

/* Dark Mode — diaktifkan lewat atribut data-theme="dark" di <html> (lihat utils/theme.js) */
[data-theme="dark"] {
  --primary-color: #3fbf6b;
  --primary-color-dark: #34a85b;
  --primary-light: rgba(63, 191, 107, 0.16);
  --accent-color: #ffb84d;

  --bg-main: #1a1f1b;
  --bg-soft-gray: #121614;
  --bg-secondary: #212722;

  --text-primary: #eef1ec;
  --text-secondary: #b7c0b6;
  --text-muted: #8b968a;
  --text-white: #ffffff;

  --border-color: #333c33;
  --border-light: #2a312a;

  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.4), 0 1px 3px 1px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 10px -2px rgba(0,0,0,0.5), 0 2px 6px -2px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 24px -6px rgba(0,0,0,0.55), 0 4px 8px -2px rgba(0,0,0,0.4);

  --skeleton-base: #2a3129;
  --skeleton-highlight: #363f34;

  color-scheme: dark;
}

/* Transisi halus saat pindah tema, tapi tidak dipaksakan ke SEMUA properti
   (biar tidak lag di elemen yang sering berubah seperti hover/animasi lain) */
body, .card, .navbar, .footer, .form-control, .btn, .admin-sidebar, .admin-topbar {
  transition: background-color var(--transition-normal), color var(--transition-normal), border-color var(--transition-normal);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-soft-gray);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: var(--primary-color);
}

ul { list-style: none; }

img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  color: var(--text-primary);
}

/* ==========================================================================
   Layout & Utility Classes
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-primary { color: var(--primary-color) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-danger { color: #e05252 !important; }
.text-white { color: var(--text-white) !important; }

.bg-dark { background-color: #1b1f1c; }
.bg-green-light { background-color: var(--primary-light); }
.bg-white { background-color: var(--bg-main); }

.rounded { border-radius: var(--radius-md); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }

.w-100 { width: 100%; }
.w-auto { width: auto; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-0 { padding: 0 !important; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.empty-state-mini {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
}

.empty-state-mini i {
  font-size: 1.75rem;
  margin-bottom: 0.6rem;
  opacity: 0.5;
  display: block;
}

.empty-state-mini p {
  margin: 0;
  font-size: 0.9rem;
}

/* ==========================================================================
   Skeleton Loading — sistem terpusat, dipakai di SEMUA halaman (publik & admin)
   supaya konsisten dan otomatis ikut Dark Mode (pakai var(--skeleton-base) dkk).
   ========================================================================== */
@keyframes skeleton-pulse {
  0% { opacity: 1; }
  50% { opacity: 0.55; }
  100% { opacity: 1; }
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text,
.skeleton-circle,
.skeleton-box,
.skeleton-banner,
.skeleton-badge,
.skeleton-card::before,
.skeleton-card::after {
  background: linear-gradient(90deg, var(--skeleton-base) 25%, var(--skeleton-highlight) 50%, var(--skeleton-base) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s infinite linear;
}

.skeleton-text {
  height: 1rem;
  border-radius: 4px;
  margin-bottom: 0.6rem;
}

.skeleton-text.lg { height: 1.5rem; }
.skeleton-text.sm { height: 0.75rem; }

.skeleton-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
}

.skeleton-badge {
  height: 1.4rem;
  width: 70px;
  border-radius: 999px;
}

.skeleton-box {
  border-radius: var(--radius-md);
}

.skeleton-banner {
  width: 100%;
  border-radius: var(--radius-md);
}

.skeleton-card {
  height: 320px;
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.skeleton-card::before {
  content: '';
  height: 160px;
  display: block;
}

.skeleton-card::after {
  content: '';
  margin: 1.5rem;
  height: 20px;
  width: 70%;
  border-radius: 4px;
  box-shadow: 0 28px 0 -4px var(--skeleton-base), 0 56px 0 -8px var(--skeleton-base);
}

/* Baris skeleton untuk tabel admin (dipakai lewat JS, lihat components/skeleton.js) */
.skeleton-row td {
  padding: 1rem;
}

.page-header {
  padding: 2.5rem 0;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .d-md-none { display: none !important; }
}

/* ==========================================================================
   Komponen Global: Card, Button, Form
   ========================================================================== */
.card {
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary { background: var(--primary-color); color: var(--text-white); }
.btn-primary:hover:not(:disabled) { background: var(--primary-color-dark); transform: translateY(-1px); }

.btn-outline { border: 1.5px solid var(--primary-color); color: var(--primary-color); background: transparent; }
.btn-outline:hover:not(:disabled) { background: var(--primary-light); }

.btn-white { background: var(--bg-main); color: var(--text-primary); border: 1.5px solid var(--border-color); }
.btn-white:hover:not(:disabled) { background: var(--bg-secondary); }

.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); }
.btn-secondary:hover:not(:disabled) { background: var(--border-light); }

.btn-sm { padding: 0.35rem 0.85rem; font-size: 0.8rem; }

/* Form controls terpusat di sini (bukan di CSS per-fitur) supaya konsisten & ikut Dark Mode
   di semua halaman termasuk panel admin. */
.form-group { margin-bottom: 1.1rem; }

.form-group label, label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--bg-main);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-normal);
}

.form-control::placeholder { color: var(--text-muted); }

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

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

select.form-control { cursor: pointer; }

/* Modifier khusus untuk input yang punya ikon di sisi kiri (lihat login/contact) */
.form-control.has-icon { padding-left: 2.5rem; }

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
  background: var(--bg-main);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.85rem 0;
}

.navbar-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.2px;
}

.navbar-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  flex-shrink: 0;
}

.navbar-nav { align-items: center; }

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 0.4rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-fast);
}

.nav-link:hover, .nav-link.active { color: var(--primary-color); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Tombol ganti tema (sun/moon) di navbar & topbar admin */
.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--border-color);
  background: var(--bg-main);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.app-container {
  min-height: calc(100vh - 200px); /* Memastikan footer selalu di bawah */
}

/* ==========================================================================
   Responsif: navbar jadi menu hamburger di layar kecil
   ========================================================================== */
.navbar-hamburger {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-color);
  background: var(--bg-main);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .navbar > .container { flex-wrap: wrap; }

  .navbar-brand span { display: none; } /* logo ikon saja cukup di HP, hemat ruang */

  .navbar-hamburger { display: inline-flex; }

  .navbar-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0 !important;
    order: 3;
    margin-top: 1rem;
    border-top: 1px solid var(--border-light);
    padding-top: 0.5rem;
  }

  .navbar-nav.is-open { display: flex; }

  .navbar-nav li { width: 100%; }

  .navbar-nav .nav-link {
    display: block;
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid var(--border-light);
  }

  .navbar-nav .nav-link::after { display: none; } /* underline hover tidak relevan di tampilan list mobile */

  .container { padding: 0 1rem; }
}
