/* ==========================================================================
   GREEN HEAVEN ENTERPRISE OS — DESIGN SYSTEM v2.0
   Clean & Clear UI with Dark / Light Theme Toggle
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ==========================================================================
   1. THEME TOKENS — DARK (default)
   ========================================================================== */
:root {
  /* Brand */
  --gold:        #C9A84C;
  --gold-lt:     #E8C97A;
  --gold-dim:    rgba(201,168,76,0.12);
  --gold-border: rgba(201,168,76,0.22);

  /* Status */
  --green:   #3DB87A;
  --red:     #E05252;
  --blue:    #4A90D9;
  --orange:  #E08B52;

  /* Dark theme surfaces */
  --bg:      #0E0E0E;
  --bg2:     #141413;
  --bg3:     #1A1A18;
  --bg4:     #222220;
  --bg5:     #2A2A28;

  /* Text */
  --text:    #F0EBE1;
  --text-2:  #A09890;
  --text-3:  #605850;

  /* Borders */
  --border:        rgba(255,255,255,0.07);
  --border-accent: rgba(201,168,76,0.22);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.35);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.45);
  --shadow-lg: 0 15px 40px rgba(0,0,0,0.55);

  /* Typography */
  --font-main:    'Trebuchet MS';
  --font-heading: 'Trebuchet MS';


  /* Layout */
  --sidebar-width: 250px;
  --topbar-height: 64px;

  /* Radii */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;

  /* Transitions */
  --tx: 0.2s ease;
  --tx-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   2. LIGHT THEME OVERRIDE
   ========================================================================== */
[data-theme="light"] {
  --bg:      #F5F3EF;
  --bg2:     #EDEAE4;
  --bg3:     #E4E0D8;
  --bg4:     #DAD6CC;
  --bg5:     #CFCBC0;

  --text:    #1A1814;
  --text-2:  #5A5248;
  --text-3:  #908880;

  --border:        rgba(0,0,0,0.09);
  --border-accent: rgba(201,168,76,0.3);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 15px 40px rgba(0,0,0,0.12);

  --gold-dim:    rgba(201,168,76,0.1);
  --gold-border: rgba(201,168,76,0.35);
}

/* ==========================================================================
   3. RESET & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 14px;
  transition: background-color var(--tx-slow), color var(--tx-slow);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text);
  line-height: 1.25;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ==========================================================================
   4. LAYOUT STRUCTURE
   ========================================================================== */

.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--bg4) transparent;
  transition: transform var(--tx-slow), background-color var(--tx-slow);
  z-index: 1000;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--bg4); border-radius: 2px; }

.sidebar-brand {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: var(--gold);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.3px;
}
.brand-name span { color: var(--gold); }

.sidebar-nav { padding: 12px 0; flex: 1; }

.nav-section {
  padding: 16px 14px 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-3);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  margin: 2px 8px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 500;
  transition: all var(--tx);
  cursor: pointer;
  min-height: 40px;
  text-decoration: none;
}

.nav-item .nav-icon {
  width: 18px;
  text-align: center;
  font-size: 15px;
  flex-shrink: 0;
}

.nav-item:hover {
  background: var(--bg3);
  color: var(--text);
}

.nav-item.active {
  background: var(--gold-dim);
  color: var(--gold);
  font-weight: 600;
  border: 1px solid var(--gold-border);
}

.nav-item.danger { color: var(--red); }
.nav-item.danger:hover { background: rgba(224,82,82,0.1); }

.btn-close-sidebar {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-2);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--r-xs);
}
.btn-close-sidebar:hover { color: var(--text); }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--tx-slow);
}
.sidebar-overlay.show { opacity: 1; display: block; }

/* ─── Main Content ─────────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: var(--bg);
  padding: 24px 28px;
  -webkit-overflow-scrolling: touch;
  transition: background-color var(--tx-slow);
}

/* ─── Topbar ───────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0 20px;
  height: var(--topbar-height);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  gap: 16px;
  flex-wrap: wrap;
  transition: background-color var(--tx-slow), border-color var(--tx-slow);
}

.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.topbar-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}

.mobile-menu-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all var(--tx);
}
.mobile-menu-btn:hover { background: var(--bg3); color: var(--text); }

/* Clock chip */
.clock-chip {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 6px 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: 0.5px;
  transition: background-color var(--tx-slow);
}

/* Theme toggle */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all var(--tx);
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--bg4); color: var(--gold); border-color: var(--gold-border); }

/* User chip */
.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 4px;
  border-left: 1px solid var(--border);
  margin-left: 4px;
}

.user-info-text { text-align: right; }
.user-name { font-size: 13px; font-weight: 600; color: var(--text); }
.user-role { font-size: 10px; color: var(--text-3); text-transform: capitalize; letter-spacing: 0.3px; }

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold);
  color: #1A1200;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  font-family: var(--font-heading);
  flex-shrink: 0;
}

/* ==========================================================================
   5. COMPONENTS
   ========================================================================== */

/* ─── Cards ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  transition: background-color var(--tx-slow), border-color var(--tx-slow);
}

.card-hover {
  transition: transform var(--tx), border-color var(--tx), box-shadow var(--tx), background-color var(--tx-slow);
}
.card-hover:hover {
  transform: translateY(-2px);
  border-color: var(--gold-border);
  box-shadow: var(--shadow-md);
}

/* ─── Stat Cards ───────────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  transition: background-color var(--tx-slow);
  border-left: 3px solid transparent;
}

.stat-card.c-gold  { border-left-color: var(--gold); }
.stat-card.c-green { border-left-color: var(--green); }
.stat-card.c-red   { border-left-color: var(--red); }
.stat-card.c-blue  { border-left-color: var(--blue); }

.stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text);
  line-height: 1;
}

.stat-icon {
  font-size: 28px;
  opacity: 0.7;
  flex-shrink: 0;
}

/* ─── Buttons ──────────────────────────────────────────────────────────────── */
button, .btn { cursor: pointer; font-family: var(--font-main); }

.btn-primary {
  background: var(--gold);
  color: #1A1200;
  border: none;
  padding: 10px 18px;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 13.5px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--tx);
  letter-spacing: 0.2px;
}
.btn-primary:hover { background: var(--gold-lt); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(201,168,76,0.3); }
.btn-primary:active { transform: translateY(0); }

/* Alias for legacy code */
.btn-pay { 
  background: var(--gold);
  color: #1A1200;
  border: none;
  padding: 10px 18px;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 13.5px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--tx);
  cursor: pointer;
  font-family: var(--font-main);
}
.btn-pay:hover { background: var(--gold-lt); }

.btn-secondary {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: var(--r-sm);
  font-weight: 500;
  font-size: 13.5px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--tx);
  cursor: pointer;
  font-family: var(--font-main);
}
.btn-secondary:hover { background: var(--bg3); color: var(--text); border-color: var(--border); }

/* Alias for legacy code */
.btn-cancel {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: var(--r-sm);
  font-weight: 500;
  font-size: 13.5px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--tx);
  cursor: pointer;
  font-family: var(--font-main);
}
.btn-cancel:hover { background: var(--bg3); color: var(--text); }

.btn-danger {
  background: rgba(224,82,82,0.1);
  color: var(--red);
  border: 1px solid rgba(224,82,82,0.25);
  padding: 10px 18px;
  border-radius: var(--r-sm);
  font-weight: 600;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--tx);
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 13.5px;
}
.btn-danger:hover { background: rgba(224,82,82,0.2); }

.btn-sm { padding: 7px 12px; font-size: 12px; min-height: 32px; }
.btn-lg { padding: 13px 24px; font-size: 15px; min-height: 48px; }
.btn-full { width: 100%; }

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--r-sm);
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all var(--tx);
  cursor: pointer;
  font-family: var(--font-main);
}
.btn-icon:hover { background: var(--bg4); color: var(--text); }

/* ─── Form Controls ────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

input, select, textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  color: var(--text);
  font-family: var(--font-main);
  font-size: 14px;
  min-height: 42px;
  outline: none;
  -webkit-appearance: none;
  transition: border-color var(--tx), background-color var(--tx-slow);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--gold);
  background: var(--bg4);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.08);
}

input::placeholder, textarea::placeholder { color: var(--text-3); }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23908880' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

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

/* ─── Tables ───────────────────────────────────────────────────────────────── */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}

.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

.table-admin {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg2);
  min-width: 600px;
}

.table-admin thead th {
  background: var(--bg3);
  color: var(--text-3);
  padding: 12px 16px;
  text-align: left;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table-admin tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 13.5px;
  transition: background-color var(--tx);
}

.table-admin tbody tr:last-child td { border-bottom: none; }
.table-admin tbody tr:hover td { background: var(--bg3); }

/* ─── Modals ───────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 16px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-lg);
  padding: 28px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s ease;
  transition: background-color var(--tx-slow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  transition: all var(--tx);
  flex-shrink: 0;
}
.modal-close:hover { background: var(--red); color: #fff; border-color: var(--red); }

/* ─── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.badge-gold   { background: var(--gold-dim); color: var(--gold); border: 1px solid var(--gold-border); }
.badge-green  { background: rgba(61,184,122,0.12); color: var(--green); border: 1px solid rgba(61,184,122,0.25); }
.badge-red    { background: rgba(224,82,82,0.12); color: var(--red); border: 1px solid rgba(224,82,82,0.25); }
.badge-blue   { background: rgba(74,144,217,0.12); color: var(--blue); border: 1px solid rgba(74,144,217,0.25); }
.badge-orange { background: rgba(224,139,82,0.12); color: var(--orange); border: 1px solid rgba(224,139,82,0.25); }
.badge-muted  { background: var(--bg3); color: var(--text-3); border: 1px solid var(--border); }

/* ─── Toasts ───────────────────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.fern-toast {
  background: var(--bg2);
  color: var(--text);
  padding: 12px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 500;
  transform: translateX(110%);
  transition: transform 0.3s var(--tx-slow);
  pointer-events: all;
  min-width: 260px;
  max-width: 380px;
}
.fern-toast.show { transform: translateX(0); }
.fern-toast.success { border-left-color: var(--green); }
.fern-toast.error   { border-left-color: var(--red); }
.fern-toast.warning { border-left-color: var(--orange); }

/* ─── Confirm Dialog ───────────────────────────────────────────────────────── */
.confirm-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  backdrop-filter: blur(6px);
  animation: fadeIn 0.2s ease;
}

.confirm-box {
  background: var(--bg2);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-lg);
  padding: 28px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.22s ease;
}

.confirm-icon { font-size: 36px; margin-bottom: 12px; }
.confirm-title { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 8px; color: var(--text); }
.confirm-msg { font-size: 13.5px; color: var(--text-2); line-height: 1.5; margin-bottom: 22px; }
.confirm-actions { display: flex; gap: 10px; }

/* ─── Page Header ──────────────────────────────────────────────────────────── */
.page-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

/* ─── Dividers ─────────────────────────────────────────────────────────────── */
.section-divider {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin: 24px 0 16px;
}

/* ─── Empty State ──────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-3);
}
.empty-state .empty-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* ─── Loading ──────────────────────────────────────────────────────────────── */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   6. ADMIN GRID (module launcher)
   ========================================================================== */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
}

.admin-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: transform var(--tx), border-color var(--tx), box-shadow var(--tx), background-color var(--tx-slow);
}

.admin-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold-border);
  box-shadow: 0 6px 20px rgba(201,168,76,0.1);
  background: var(--bg3);
}

.admin-card .icon { font-size: 28px; margin-bottom: 10px; display: block; }
.admin-card h3 { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.admin-card p { font-size: 11px; color: var(--text-3); }

/* ==========================================================================
   7. CHART BOX
   ========================================================================== */
.chart-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
  transition: background-color var(--tx-slow);
}

.chart-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

/* ==========================================================================
   8. RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
  .main-content { padding: 20px; }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    bottom: 0;
    width: min(var(--sidebar-width), 85vw);
    box-shadow: 8px 0 30px rgba(0,0,0,0.4);
  }
  .sidebar.open { left: 0; }
  .btn-close-sidebar { display: flex; }
  .mobile-menu-btn { display: flex; }

  .main-content { padding: 14px; }
  .topbar { padding: 0 14px; margin-bottom: 16px; }

  .stat-grid { grid-template-columns: 1fr 1fr; }
  .admin-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }

  #toast-container {
    top: auto;
    bottom: 20px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: 92%;
  }
  .fern-toast { transform: translateY(110%); width: 100%; max-width: none; }
  .fern-toast.show { transform: translateY(0); }

  .user-info-text { display: none; }
  .clock-chip { display: none; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   9. UTILITY CLASSES
   ========================================================================== */
.text-gold   { color: var(--gold) !important; }
.text-green  { color: var(--green) !important; }
.text-red    { color: var(--red) !important; }
.text-blue   { color: var(--blue) !important; }
.text-orange { color: var(--orange) !important; }
.text-muted  { color: var(--text-2) !important; }
.text-cream  { color: var(--text) !important; }

.fw-bold { font-weight: 700; }
.fw-600  { font-weight: 600; }

.flex     { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }

.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.w-full { width: 100%; }
.hidden { display: none !important; }

/* Select option dark mode fix */
option { background: var(--bg3); color: var(--text); }