/* ═══════════════════════════════════════════════════════════
   Robotopay — Custom Styles
   ═══════════════════════════════════════════════════════════ */

/* ── Brand palette (CSS custom properties) ──────────────── */
:root {
  --rp-primary: #4361ee;
  --rp-primary-hover: #3a56d4;
  --rp-primary-active: #3551c7;
  --rp-primary-rgb: 67, 97, 238;
  --rp-radius: 0.75rem;

  --rp-border-subtle: rgba(0, 0, 0, 0.08);
  --rp-shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.06);
  --rp-shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
  --rp-shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --rp-shadow-dropdown: 0 4px 16px rgba(0, 0, 0, 0.1);
  --rp-navbar-shadow: 0 2px 12px rgba(var(--rp-primary-rgb), 0.25);

  --rp-metric-icon-alpha: 0.1;
  --rp-login-gradient: linear-gradient(160deg, #f0f4ff 0%, #e8ecf8 100%);

  --bs-body-font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --bs-body-color: #1e293b;
  --bs-link-color: var(--rp-primary);
  --bs-link-hover-color: var(--rp-primary-hover);
}

/* ── Dark theme palette ────────────────────────────────── */
[data-bs-theme="dark"] {
  --rp-primary: #7b93f7;
  --rp-primary-hover: #6983f5;
  --rp-primary-active: #5a74e6;
  --rp-primary-rgb: 123, 147, 247;

  --rp-border-subtle: rgba(255, 255, 255, 0.08);
  --rp-shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.3);
  --rp-shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.3);
  --rp-shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --rp-shadow-dropdown: 0 4px 16px rgba(0, 0, 0, 0.4);
  --rp-navbar-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);

  --rp-metric-icon-alpha: 0.18;
  --rp-login-gradient: linear-gradient(160deg, #151826 0%, #0f1119 100%);

  --bs-body-color: #e2e8f0;
  --bs-link-color: var(--rp-primary);
  --bs-link-hover-color: var(--rp-primary-hover);
}

/* ── Smooth transitions on interactive elements ─────────── */
.btn,
.card,
.nav-link,
.badge,
.form-control,
.form-select,
.dropdown-item {
  transition: all 0.2s ease;
}

/* ── Navbar ─────────────────────────────────────────────── */
.navbar.bg-primary {
  background: linear-gradient(135deg, var(--rp-primary) 0%, var(--rp-primary-hover) 100%) !important;
  box-shadow: var(--rp-navbar-shadow);
}

[data-bs-theme="dark"] .navbar.bg-primary {
  background: linear-gradient(135deg, #1e2a5e 0%, #172050 100%) !important;
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex !important;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand-icon {
  font-size: 1.35rem;
  opacity: 0.9;
}

.navbar .nav-link:hover {
  opacity: 1;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

/* ── Bootstrap primary colour overrides ─────────────────── */
.btn-primary {
  --bs-btn-bg: var(--rp-primary);
  --bs-btn-border-color: var(--rp-primary);
  --bs-btn-hover-bg: var(--rp-primary-hover);
  --bs-btn-hover-border-color: var(--rp-primary-hover);
  --bs-btn-active-bg: var(--rp-primary-active);
  --bs-btn-active-border-color: var(--rp-primary-active);
  --bs-btn-disabled-bg: var(--rp-primary);
  --bs-btn-disabled-border-color: var(--rp-primary);
}

.btn-outline-primary {
  --bs-btn-color: var(--rp-primary);
  --bs-btn-border-color: var(--rp-primary);
  --bs-btn-hover-bg: var(--rp-primary);
  --bs-btn-hover-border-color: var(--rp-primary);
  --bs-btn-active-bg: var(--rp-primary-active);
  --bs-btn-active-border-color: var(--rp-primary-active);
}

.text-primary {
  color: var(--rp-primary) !important;
}

/* ── Cards (global) ─────────────────────────────────────── */
.card {
  border-radius: var(--rp-radius);
  border-color: var(--rp-border-subtle);
}

/* ── Kindergarten list — card hover ─────────────────────── */
.card-kindergarten {
  box-shadow: var(--rp-shadow-xs);
}

.card-kindergarten:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(var(--rp-primary-rgb), 0.15);
  border-color: rgba(var(--rp-primary-rgb), 0.3);
}

.card-kindergarten .card-title {
  font-weight: 600;
}

/* ── Metric cards ───────────────────────────────────────── */
.metric {
  min-width: 180px;
  border: none;
  box-shadow: var(--rp-shadow-sm);
  overflow: hidden;
}

.metric .card-body {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.metric-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.625rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.metric-children { border-left: 3px solid #6366f1; }
.metric-children .metric-icon { background: rgba(99, 102, 241, var(--rp-metric-icon-alpha)); color: #6366f1; }

.metric-lessons { border-left: 3px solid #f59e0b; }
.metric-lessons .metric-icon { background: rgba(245, 158, 11, var(--rp-metric-icon-alpha)); color: #f59e0b; }

.metric-total { border-left: 3px solid #10b981; }
.metric-total .metric-icon { background: rgba(16, 185, 129, var(--rp-metric-icon-alpha)); color: #10b981; }

/* ── Table wrapper ──────────────────────────────────────── */
.table-wrap {
  background: var(--bs-body-bg, #fff);
  max-height: 420px;
  overflow: auto;
  border-radius: var(--rp-radius);
  border: 1px solid var(--rp-border-subtle);
}

.table-wrap thead th {
  position: sticky;
  top: 0;
  background: var(--bs-tertiary-bg, #f8f9fa);
  z-index: 1;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--bs-secondary-color, #6c757d);
}

/* ── Form focus states ──────────────────────────────────── */
.form-control:focus,
.form-select:focus {
  border-color: rgba(var(--rp-primary-rgb), 0.5);
  box-shadow: 0 0 0 0.2rem rgba(var(--rp-primary-rgb), 0.15);
}

/* ── Login page ─────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: var(--rp-login-gradient);
}

.login-page .card {
  border: none;
  box-shadow: var(--rp-shadow-card);
}

.login-brand {
  color: var(--rp-primary);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.login-brand-icon {
  font-size: 1.75rem;
}

/* ── Utility ────────────────────────────────────────────── */
.year-input {
  width: 110px;
}

.search-group {
  max-width: 320px;
}

/* ── Headings ───────────────────────────────────────────── */
h1, h2, h3, .h1, .h2, .h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ── Buttons: slight lift on hover ──────────────────────── */
.btn-primary:hover,
.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ── Dropdown menus ─────────────────────────────────────── */
.dropdown-menu {
  border-radius: var(--rp-radius);
  border-color: var(--rp-border-subtle);
  box-shadow: var(--rp-shadow-dropdown);
}

/* ── Spinner (loading) accent colour ────────────────────── */
.spinner-border.text-primary {
  color: var(--rp-primary) !important;
}

/* ── Theme toggle ──────────────────────────────────────── */
.theme-toggle {
  font-size: 1.1rem;
  line-height: 1;
  opacity: 0.85;
}

.theme-toggle:hover {
  opacity: 1;
  transform: scale(1.15);
}

.theme-toggle-login {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  background: var(--bs-body-bg);
  color: var(--bs-body-color);
  border: 1px solid var(--rp-border-subtle);
  box-shadow: var(--rp-shadow-sm);
}