/* ============================================================
   style.css — Flask Auth App
   Dark-themed, card-based, responsive design
   ============================================================ */

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

/* ── CSS Variables ────────────────────────────────────────────── */
:root {
  --bg:            #0f1117;
  --bg-card:       #1a1d27;
  --bg-card-alt:   #21253a;
  --border:        #2e3347;
  --accent:        #6c63ff;
  --accent-hover:  #574fd6;
  --accent-glow:   rgba(108, 99, 255, 0.25);
  --text-primary:  #e8eaf6;
  --text-secondary:#8b93b8;
  --text-muted:    #555d7d;
  --success:       #22c76e;
  --danger:        #ef4444;
  --warning:       #f59e0b;
  --info:          #3b82f6;
  --radius:        12px;
  --radius-sm:     8px;
  --shadow:        0 4px 24px rgba(0,0,0,0.4);
  --shadow-card:   0 8px 40px rgba(0,0,0,0.5);
  --transition:    0.2s ease;
}

/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* ── Navbar ───────────────────────────────────────────────────── */
.navbar {
  background: rgba(26,29,39,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 1.5rem;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-brand:hover { color: var(--accent); }
.brand-icon { font-size: 1.3rem; }

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a {
  color: var(--text-secondary);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  background: var(--bg-card-alt);
  color: var(--text-primary);
}

.btn-nav-register {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 0.4rem 1rem !important;
}
.btn-nav-register:hover {
  background: var(--accent-hover) !important;
  color: #fff !important;
}

.btn-nav-logout {
  border: 1px solid var(--border) !important;
}
.btn-nav-logout:hover {
  border-color: var(--danger) !important;
  color: var(--danger) !important;
}

/* ── Flash Alerts ─────────────────────────────────────────────── */
.flash-container {
  max-width: 780px;
  margin: 1.2rem auto 0;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.alert {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  animation: slideDown 0.3s ease;
  border: 1px solid transparent;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert-success { background: rgba(34,199,110,0.12); border-color: rgba(34,199,110,0.3); color: #4ade80; }
.alert-danger   { background: rgba(239,68,68,0.12);  border-color: rgba(239,68,68,0.3);  color: #f87171; }
.alert-warning  { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.3); color: #fbbf24; }
.alert-info     { background: rgba(59,130,246,0.12); border-color: rgba(59,130,246,0.3); color: #60a5fa; }

.alert-icon { font-size: 1.1rem; flex-shrink: 0; }
.alert-close {
  margin-left: auto;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 1.3rem;
  line-height: 1;
  opacity: 0.6;
  transition: opacity var(--transition);
}
.alert-close:hover { opacity: 1; }

/* ── Main Content ─────────────────────────────────────────────── */
.main-content {
  flex: 1;
  padding: 2rem 1.5rem 3rem;
}

/* ── Auth Card (Register / Login / Forgot / Reset) ────────────── */
.auth-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 2rem;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-card);
  animation: fadeUp 0.35s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-icon {
  font-size: 2.8rem;
  margin-bottom: 0.75rem;
}

.auth-header h1 {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.auth-header p { color: var(--text-secondary); font-size: 0.92rem; }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}
.label-row label { margin-bottom: 0; }
.forgot-link { font-size: 0.82rem; color: var(--accent); }
.forgot-link:hover { color: var(--accent-hover); }

.form-control {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group.has-error .form-control {
  border-color: var(--danger);
}

.field-errors {
  margin-top: 0.4rem;
  padding-left: 1rem;
  list-style: disc;
}
.field-errors li { font-size: 0.82rem; color: var(--danger); }

/* Password toggle wrapper */
.input-with-toggle {
  position: relative;
}
.input-with-toggle .form-control { padding-right: 2.8rem; }
.toggle-password {
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  color: var(--text-muted);
  transition: color var(--transition);
}
.toggle-password:hover { color: var(--text-primary); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.btn-primary:active { transform: scale(0.98); }

.btn-block { width: 100%; }
.btn-logout-dashboard {
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
  align-self: flex-start;
}

/* ── Auth footer links ───────────────────────────────────────── */
.auth-footer-links {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.info-box {
  margin-top: 1.25rem;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  font-size: 0.85rem;
  color: #93c5fd;
}

/* ── Dashboard ───────────────────────────────────────────────── */
.dashboard-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  animation: fadeUp 0.35s ease;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.dashboard-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
}
.dashboard-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.2rem;
}

/* Stat cards */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Table card */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.table-header h2 { font-size: 1.05rem; font-weight: 600; }

.badge {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 99px;
  padding: 0.2rem 0.65rem;
  font-size: 0.78rem;
}

.table-wrapper { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead {
  background: var(--bg-card-alt);
}

.data-table th {
  padding: 0.9rem 1.5rem;
  text-align: left;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  font-weight: 600;
}

.data-table td {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.data-table tbody tr {
  transition: background var(--transition);
}
.data-table tbody tr:hover { background: var(--bg-card-alt); }

.col-id { color: var(--text-muted); width: 50px; }
.col-email { color: var(--text-muted); }
.col-date { color: var(--text-muted); font-size: 0.85rem; white-space: nowrap; }

.user-cell {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h3 { margin-bottom: 0.5rem; color: var(--text-secondary); }

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 1.2rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 600px) {
  .auth-card { padding: 2rem 1.25rem; }
  .dashboard-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .table-header { flex-wrap: wrap; }
  .nav-links a { font-size: 0.82rem; padding: 0.35rem 0.6rem; }
}