/* ═══════════════════════════════════════════════
   LULU'S VILLA FINANCE — Bali Tropical Theme
   ═══════════════════════════════════════════════ */

:root {
  /* Bali-inspired palette */
  --primary: #b45309;          /* warm terracotta */
  --primary-dark: #92400e;     /* deep terracotta */
  --primary-light: #fbbf24;    /* golden sand */
  --accent: #0d9488;           /* ocean teal */
  --accent-light: #14b8a6;     /* bright teal */
  --success: #15803d;          /* tropical green */
  --danger: #b91c1c;           /* frangipani red */
  --warning: #d97706;          /* sunset amber */

  --bg: #fef7ed;               /* warm sand background */
  --card-bg: #fffbf5;          /* cream card */
  --text: #44403c;             /* warm dark stone */
  --text-muted: #78716c;       /* stone muted */
  --border: #e7e0d8;           /* sandy border */
  --radius: 14px;
  --shadow: 0 2px 8px rgba(120, 80, 30, 0.08);

  /* Gradients */
  --nav-gradient: linear-gradient(135deg, #92400e 0%, #b45309 40%, #0d9488 100%);
  --hero-gradient: linear-gradient(135deg, #fef3c7 0%, #fef7ed 50%, #ccfbf1 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1 { font-size: 28px; }
h2 { font-size: 24px; }

/* ── Navigation ──────────────────────────────── */
.nav {
  background: var(--nav-gradient);
  color: white;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 3px 12px rgba(146, 64, 14, 0.25);
}
.nav-brand {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.3px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.nav-links { display: flex; gap: 16px; }
.nav-link {
  color: rgba(255,255,255,0.88);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--primary-light); }

/* ── Container ───────────────────────────────── */
.container { max-width: 600px; margin: 0 auto; padding: 16px; }
.container-wide { max-width: 1200px; margin: 0 auto; padding: 16px; }

/* ── Cards ────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}
.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Forms ────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group .hint {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
}
.form-group input[type="file"] {
  padding: 10px;
  border-style: dashed;
  border-color: var(--primary);
  background: #fef9ee;
}
.form-group textarea { min-height: 80px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.required::after {
  content: ' *';
  color: var(--danger);
}

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: block;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: transform 0.1s, opacity 0.2s, box-shadow 0.2s;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 3px 10px rgba(180, 83, 9, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 5px 15px rgba(180, 83, 9, 0.4);
}
.btn-success {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  box-shadow: 0 3px 10px rgba(13, 148, 136, 0.3);
}
.btn-danger { background: var(--danger); color: white; }
.btn-outline {
  background: var(--card-bg);
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: #fef3c7;
}
.btn-sm { padding: 8px 16px; font-size: 14px; width: auto; display: inline-block; }

/* ── Alerts ──────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-weight: 500;
  font-size: 15px;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }

/* ── Home Grid ───────────────────────────────── */
.home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 20px 0;
}
.home-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 16px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.home-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.15);
}
.home-card:active { transform: scale(0.97); }
.home-card .icon { font-size: 44px; margin-bottom: 10px; }
.home-card .label { font-weight: 700; font-size: 18px; color: var(--text); }
.home-card .hint { font-size: 14px; color: var(--text-muted); margin-top: 2px; }

/* ── Dashboard KPIs ──────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.kpi-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}
.kpi-card.highlight::before { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.kpi-card.success::before { background: linear-gradient(90deg, var(--accent), var(--accent-light)); }
.kpi-card.danger::before { background: var(--danger); }
.kpi-card.warning::before { background: linear-gradient(90deg, var(--warning), var(--primary-light)); }
.kpi-label {
  font-size: 14px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.8px;
  font-weight: 600;
}
.kpi-value { font-size: 28px; font-weight: 800; margin-top: 6px; }

@media (min-width: 768px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── Tables ──────────────────────────────────── */
.table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  background: linear-gradient(135deg, #fef3c7, #fef7ed);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.5px;
}
tr:hover { background: rgba(251, 191, 36, 0.06); }
.amount { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; font-size: 15px; }
.status-open { color: var(--danger); font-weight: 700; font-size: 15px; }
.status-resolved { color: var(--success); }
.severity-high { background: #fee2e2; }
.severity-medium { background: #fef3c7; }

/* ── Conditional sections ────────────────────── */
.conditional { display: none; }
.conditional.show { display: block; }

/* ── Chart container ─────────────────────────── */
.chart-container {
  position: relative;
  height: 250px;
  margin: 16px 0;
}

/* ── Date filter ─────────────────────────────── */
.date-filter {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}
.date-filter input {
  padding: 8px 12px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  background: white;
}
.date-filter input:focus {
  border-color: var(--accent);
  outline: none;
}
.date-filter .btn { width: auto; padding: 8px 16px; }
.date-filter span { color: var(--text-muted); font-size: 15px; }

/* ── Section divider ─────────────────────────── */
.section-title {
  font-size: 18px;
  font-weight: 700;
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light);
  color: var(--primary-dark);
}

/* ── Footer ──────────────────────────────────── */
.footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 14px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}

/* ── Accessibility utilities ─────────────────── */
/* Visually hidden but reachable to screen readers (use on labels you can't show). */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Visible focus outline for keyboard users on every interactive element. */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Disabled / submitting state for buttons ───
   Pairs with the form-submit-once script that sets `disabled` after submit. */
.btn[disabled],
button[disabled] {
  opacity: 0.6;
  cursor: progress;
  pointer-events: none;
}

/* ── Mobile (<= 480px) overrides ──────────────
   Two-column .form-row collapses to one column so inputs stay usable
   at 375px (iPhone SE width). Touch targets get a 44px minimum. */
@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  .home-grid { grid-template-columns: 1fr; }
  .kpi-grid  { grid-template-columns: 1fr; }
  .btn,
  .form-group input,
  .form-group select,
  .form-group textarea {
    min-height: 44px;
  }
  .container,
  .container-wide { padding: 12px; }
  h1 { font-size: 22px; }
  h2 { font-size: 19px; }
  /* Multi-select dropdowns shrink so they don't eat the whole viewport */
  select[multiple] { min-height: 120px !important; }
}