:root {
  --bg: #f4f3ee;
  --bg-soft: #fffdf9;
  --surface: #ffffff;
  --ink: #1f2a37;
  --muted: #607084;
  --line: #d7dde6;
  --primary: #0f766e;
  --primary-strong: #115e59;
  --accent: #f59e0b;
  --danger: #dc2626;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 16px 40px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at 10% 8%, rgba(15, 118, 110, 0.18), transparent 45%),
    radial-gradient(circle at 92% 14%, rgba(245, 158, 11, 0.22), transparent 38%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  min-height: 100vh;
}

.app-shell {
  padding-bottom: 2rem;
}

.app-topbar {
  background: rgba(17, 24, 39, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.navbar-brand {
  font-family: 'Sora', 'Segoe UI', sans-serif;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.navbar-brand span {
  color: #99f6e4;
}

.nav-link {
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86) !important;
  padding: 0.45rem 0.9rem !important;
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #ecfeff !important;
  background: rgba(153, 246, 228, 0.16);
}

.page-intro {
  margin: 1.2rem 0 1.4rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.08);
}

.page-intro h1 {
  margin: 0;
  font-size: clamp(1.1rem, 1.6vw, 1.45rem);
  font-family: 'Sora', 'Segoe UI', sans-serif;
}

.page-intro p {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.alert {
  border-radius: var(--radius-sm);
  border: none;
}

.card {
  border: 1px solid rgba(203, 213, 225, 0.72);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: rise-in 420ms ease both;
}

.card-header {
  background: linear-gradient(180deg, #ffffff, #f7f9fc);
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0 !important;
  font-weight: 700;
}

.table {
  margin: 0;
}

.table-responsive {
  -webkit-overflow-scrolling: touch;
}

.table-responsive .table {
  margin-bottom: 0;
}

.table > :not(caption) > * > * {
  border-bottom-color: #e4e8ef;
  vertical-align: middle;
}

.table thead th {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #526276;
}

.form-control,
.form-select,
textarea {
  border-radius: 12px;
  border: 1px solid #cfd8e3;
  padding: 0.58rem 0.75rem;
}

.form-control:focus,
.form-select:focus,
textarea:focus {
  border-color: #4db6ac;
  box-shadow: 0 0 0 0.2rem rgba(77, 182, 172, 0.18);
}

.btn {
  border-radius: 11px;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  border-color: transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0d9488, #0f766e);
}

.btn-outline-light:hover {
  color: #111827;
}

.metric-card h6 {
  margin-bottom: 0.25rem;
  color: #6b7280;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

.metric-card h3 {
  margin: 0;
  font-family: 'Sora', 'Segoe UI', sans-serif;
  font-size: 1.42rem;
}

.badge-soft {
  background: rgba(15, 118, 110, 0.13);
  color: #0f766e;
  border-radius: 999px;
  padding: 0.3rem 0.55rem;
  font-size: 0.74rem;
  font-weight: 700;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    radial-gradient(circle at 10% 12%, rgba(15, 118, 110, 0.28), transparent 44%),
    radial-gradient(circle at 92% 4%, rgba(245, 158, 11, 0.34), transparent 32%),
    linear-gradient(160deg, #f8fafc, #e2e8f0);
}

.login-wrap {
  width: min(900px, 100%);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(17, 24, 39, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.74);
  background: #ffffff;
}

.login-hero {
  color: #ecfeff;
  padding: 2.4rem 2rem;
  background:
    linear-gradient(160deg, #0f766e, #134e4a),
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.16), transparent 40%);
}

.login-hero h1 {
  font-family: 'Sora', 'Segoe UI', sans-serif;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.login-panel {
  padding: 2rem;
}

.login-hint {
  margin-top: 1rem;
  font-size: 0.87rem;
  color: #5b6472;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .app-topbar .container {
    gap: 0.5rem;
  }

  .navbar-collapse {
    padding-top: 0.75rem;
  }

  .navbar-nav {
    gap: 0.15rem;
  }

  .nav-link {
    width: 100%;
    padding: 0.55rem 0.8rem !important;
  }

  .page-intro {
    margin-top: 0.9rem;
    padding: 0.85rem 1rem;
  }

  .login-wrap {
    border-radius: 18px;
  }

  .login-hero {
    display: none !important;
  }

  .login-panel {
    padding: 1.25rem;
  }

  .card-body {
    padding: 1rem;
  }

  .card-header {
    padding: 0.8rem 1rem;
  }

  .metric-card h3 {
    font-size: 1.2rem;
  }

  .table thead th {
    font-size: 0.72rem;
  }

  .table-responsive .table {
    min-width: 620px;
  }

  .action-cell {
    flex-wrap: wrap;
  }

  .action-cell .btn,
  .action-cell form {
    width: 100%;
  }

  .login-panel {
    padding: 1.25rem;
  }
}