/* ── CSS Variables ──────────────────────────────────── */
:root {
  --brand: #6366f1;
  --brand-dark: #4f46e5;
  --brand-light: #e0e7ff;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.07);
  --shadow-lg: 0 8px 32px rgba(99,102,241,.15);
}

/* ── Base ───────────────────────────────────────────── */
* { box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--surface-2);
  color: var(--text);
  -webkit-tap-highlight-color: transparent;
}

main {
  margin: 0 auto;
  padding-bottom: 1rem;
}

a { color: var(--brand); }
a:hover { color: var(--brand-dark); }

/* ── HTMX indicator ─────────────────────────────────── */
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline-block; }

/* ── Navbar ─────────────────────────────────────────── */
.navbar.top-nav {
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%) !important;
  border-bottom: none;
  padding: 10px 16px;
  border-radius: 0 !important;
}

.navbar.top-nav .navbar-brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: #fff !important;
}

.navbar.top-nav .btn-outline-light {
  border-color: rgba(255,255,255,.4);
  border-radius: var(--radius-sm) !important;
  padding: 5px 10px;
  font-size: .8rem;
  transition: all .2s;
}
.navbar.top-nav .btn-outline-light:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.7);
}

/* ── Bottom Nav ─────────────────────────────────────── */
.bottom-nav {
  border-radius: 0 !important;
  height: 62px;
  background: var(--surface) !important;
  border-top: 1px solid var(--border) !important;
  box-shadow: 0 -4px 20px rgba(0,0,0,.06);
}

.bottom-nav .nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 6px 4px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm) !important;
  font-size: .65rem;
  font-weight: 500;
  transition: color .2s;
  gap: 2px;
}

.bottom-nav .nav-item i {
  font-size: 1.3rem;
  display: block;
  transition: transform .2s;
}

.bottom-nav .nav-item:hover { color: var(--brand); }
.bottom-nav .nav-item:hover i { transform: translateY(-2px); }

.bottom-nav .nav-item.active {
  color: var(--brand);
  font-weight: 600;
}

/* ── Cards ──────────────────────────────────────────── */
.card {
  border-radius: var(--radius) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow) !important;
  transition: transform .2s, box-shadow .2s;
}

.card:hover { box-shadow: var(--shadow-lg) !important; }
.card-link:hover .card { transform: translateY(-2px); }

.card-header {
  border-radius: var(--radius) var(--radius) 0 0 !important;
  background: var(--surface) !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 14px 16px !important;
}

.card-body { padding: 16px !important; }

/* ── Hero gradient cards ─────────────────────────────── */
.card-hero {
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 60%, #818cf8 100%) !important;
  border: none !important;
  box-shadow: var(--shadow-lg) !important;
  position: relative;
  overflow: hidden;
}
.card-hero::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 140px; height: 140px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
}
.card-hero::after {
  content: '';
  position: absolute;
  bottom: -30px; left: -30px;
  width: 100px; height: 100px;
  background: rgba(255,255,255,.05);
  border-radius: 50%;
}

.card-hero-success {
  background: linear-gradient(135deg, #059669 0%, var(--success) 60%, #34d399 100%) !important;
}

/* ── List group ─────────────────────────────────────── */
.list-group-item {
  border-color: var(--border) !important;
  transition: background .15s;
}
.list-group-item:first-child { border-radius: var(--radius) var(--radius) 0 0 !important; }
.list-group-item:last-child  { border-radius: 0 0 var(--radius) var(--radius) !important; }
.list-group-item:only-child  { border-radius: var(--radius) !important; }
.list-group-item:hover { background: var(--surface-2) !important; }

/* ── Buttons ────────────────────────────────────────── */
.btn {
  border-radius: var(--radius-sm) !important;
  font-weight: 600;
  font-size: .875rem;
  transition: all .2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand)) !important;
  border-color: var(--brand-dark) !important;
  box-shadow: 0 2px 8px rgba(99,102,241,.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(99,102,241,.45) !important;
  background: linear-gradient(135deg, #4338ca, var(--brand-dark)) !important;
}
.btn-primary:active { transform: translateY(0) !important; }

.btn-success {
  background: linear-gradient(135deg, #059669, var(--success)) !important;
  border-color: #059669 !important;
  box-shadow: 0 2px 8px rgba(16,185,129,.35);
}
.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(16,185,129,.45) !important;
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626, var(--danger)) !important;
  border-color: #dc2626 !important;
  box-shadow: 0 2px 8px rgba(239,68,68,.3);
}
.btn-danger:hover { transform: translateY(-1px); }

.btn-outline-secondary {
  border-color: var(--border) !important;
  color: var(--text-muted) !important;
}
.btn-outline-secondary:hover {
  background: var(--surface-2) !important;
  border-color: #cbd5e1 !important;
}

.btn:disabled { transform: none !important; opacity: .6; }

/* ── Forms ──────────────────────────────────────────── */
.form-control, .form-select {
  border-radius: var(--radius-sm) !important;
  border-color: var(--border) !important;
  background: var(--surface) !important;
  font-size: .875rem;
  padding: 10px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--brand) !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,.15) !important;
}

.input-group-text {
  border-radius: var(--radius-sm) !important;
  border-color: var(--border) !important;
  background: var(--surface-2) !important;
  color: var(--text-muted);
  padding: 10px 14px;
}
.input-group > :first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm) !important; }
.input-group > :last-child  { border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important; }
.input-group .form-control   { border-radius: 0 !important; }

.form-label { font-size: .8rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; }

/* ── Progress bar ───────────────────────────────────── */
.progress {
  border-radius: 100px;
  background: var(--surface-2);
  overflow: visible;
}
.progress-bar {
  border-radius: 100px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

/* ── Badge ──────────────────────────────────────────── */
.badge {
  border-radius: 8px !important;
  font-weight: 600;
  letter-spacing: .3px;
}

/* ── Alerts ─────────────────────────────────────────── */
.alert {
  border-radius: var(--radius) !important;
  border: none !important;
  font-size: .875rem;
}
.alert-warning { background: #fffbeb; color: #92400e; }
.alert-danger  { background: #fef2f2; color: #991b1b; }
.alert-success { background: #ecfdf5; color: #065f46; }
.alert-info    { background: var(--brand-light); color: var(--brand-dark); }

/* ── Modals ─────────────────────────────────────────── */
.modal-content {
  border-radius: 24px !important;
  border: none !important;
  box-shadow: 0 24px 64px rgba(0,0,0,.18) !important;
}
.modal-header {
  border-bottom: 1px solid var(--border) !important;
  padding: 20px 24px 16px !important;
}
.modal-body { padding: 20px 24px 24px !important; }

/* ── Nav pills ──────────────────────────────────────── */
.nav-pills .nav-link {
  border-radius: var(--radius-sm) !important;
  color: var(--text-muted);
  font-weight: 500;
  font-size: .875rem;
  padding: 7px 16px;
  transition: all .2s;
}
.nav-pills .nav-link.active {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand)) !important;
  box-shadow: 0 2px 8px rgba(99,102,241,.3);
}

/* ── Auth pages ─────────────────────────────────────── */
.auth-wrapper {
  min-height: 100dvh;
  background: linear-gradient(160deg, var(--brand-dark) 0%, var(--brand) 50%, #818cf8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  border-radius: 24px !important;
  border: none !important;
  box-shadow: 0 24px 80px rgba(0,0,0,.25) !important;
  background: #fff !important;
}

.auth-logo {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 8px 24px rgba(99,102,241,.35);
}

/* ── Stat chips ─────────────────────────────────────── */
.stat-chip {
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  backdrop-filter: blur(4px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
}

/* ── Action icon buttons ────────────────────────────── */
.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 8px;
  border-radius: var(--radius) !important;
  font-size: .75rem;
  font-weight: 600;
  transition: all .2s;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.action-btn:hover { transform: translateY(-2px); }
.action-btn i { font-size: 1.4rem; }
.action-btn-green { background: linear-gradient(135deg, #059669, var(--success)); color: #fff; box-shadow: 0 4px 12px rgba(16,185,129,.3); }
.action-btn-red   { background: linear-gradient(135deg, #dc2626, var(--danger)); color: #fff; box-shadow: 0 4px 12px rgba(239,68,68,.25); }
.action-btn-gray  { background: var(--surface); color: var(--text-muted); border: 1px solid var(--border) !important; }

/* ── Icon circle ────────────────────────────────────── */
.icon-circle {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

/* ── Empty states ───────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 2.5rem; opacity: .5; display: block; margin-bottom: 12px; }
.empty-state p { font-size: .875rem; margin: 0; }

/* ── Section headers ────────────────────────────────── */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.section-header h6 { font-size: .875rem; font-weight: 700; margin: 0; color: var(--text); }
.section-header a   { font-size: .8rem; color: var(--brand); font-weight: 500; text-decoration: none; }

/* ── Dropdown ───────────────────────────────────────── */
.dropdown-menu {
  border-radius: var(--radius) !important;
  border: 1px solid var(--border) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,.12) !important;
  padding: 8px !important;
}
.dropdown-item {
  border-radius: var(--radius-sm) !important;
  font-size: .875rem;
  padding: 8px 12px !important;
  transition: background .15s;
}
.dropdown-item:hover { background: var(--brand-light) !important; color: var(--brand-dark) !important; }

/* ── iOS safe area ──────────────────────────────────── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .bottom-nav { padding-bottom: env(safe-area-inset-bottom); }
}

/* ── Divider ────────────────────────────────────────── */
hr { border-color: var(--border); opacity: 1; }

/* ── Scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ── Animations ─────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .35s ease both; }

/* main must not create a stacking context (breaks modals) */
main.fade-up { animation: none; }

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

/* ── Form Validation ───────────────────────────────── */
.form-control.is-valid,
.form-select.is-valid {
  border-color: var(--success) !important;
  box-shadow: none !important;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2310b981' d='M2.3 6.73.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--danger) !important;
  box-shadow: none !important;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%23ef4444' stroke-width='1.5'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m3.75 8.25 4.5-4.5M8.25 8.25l-4.5-4.5'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

/* Input group: tint the addon icon */
.input-group:has(.is-invalid) .input-group-text {
  border-color: var(--danger);
  color: var(--danger);
  transition: all .2s;
}
.input-group:has(.is-valid) .input-group-text {
  border-color: var(--success);
  color: var(--success);
  transition: all .2s;
}

.invalid-feedback {
  font-size: .8rem;
  font-weight: 500;
  color: var(--danger);
  margin-top: .35rem;
  animation: vSlideDown .2s ease;
}

@keyframes vSlideDown {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Shake the submit button briefly on blocked submit */
@keyframes vShake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}
form:has(.is-invalid) [type="submit"] {
  animation: vShake .4s ease;
}