:root {
  --bg: #0b0f14;
  --surface: #121821;
  --surface-2: #18202b;
  --border: #2a3441;
  --text: #eef2f7;
  --muted: #98a6b5;
  --green: #1f9d66;
  --green-2: #23b371;
  --red: #d64545;
  --yellow: #d8a328;
  --blue: #4a8cff;
  --shadow: 0 18px 45px rgba(0,0,0,0.24);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: linear-gradient(180deg, #0b0f14 0%, #0f141c 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font: inherit;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: #0f141c;
  color: var(--text);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

button {
  cursor: pointer;
  border: 0;
  border-radius: 12px;
  padding: 0.8rem 1rem;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.app-shell {
  min-height: 100vh;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.auth-card {
  width: min(460px, 100%);
  background: rgba(18, 24, 33, 0.95);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.auth-card h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.auth-card p {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.grid-two {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: rgba(12, 16, 22, 0.92);
  padding: 1.25rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 1.75rem;
}

.brand strong {
  font-size: 1.2rem;
}

.brand span {
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.nav-link {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  color: #d8e1ea;
  border: 1px solid transparent;
}

.nav-link.active {
  background: rgba(31,157,102,0.14);
  border-color: rgba(31,157,102,0.32);
  color: white;
}

.sidebar-footer {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.main {
  padding: 1.5rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.topbar h1 {
  margin: 0;
  font-size: 1.9rem;
}

.topbar p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

.topbar-meta {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  align-items: flex-end;
}

.container-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.card {
  background: rgba(18,24,33,0.95);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.card h2, .card h3 {
  margin-top: 0;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.metric-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
}

.metric-subtle {
  font-size: 0.9rem;
  color: var(--muted);
}

.toolbar {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.8fr auto;
  gap: 0.8rem;
  align-items: end;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.field label {
  color: var(--muted);
  font-size: 0.92rem;
}

.btn-primary {
  background: linear-gradient(180deg, var(--green-2), var(--green));
  color: white;
}

.btn-secondary {
  background: #1b2430;
  color: white;
  border: 1px solid var(--border);
}

.btn-danger {
  background: rgba(214,69,69,0.16);
  color: #ffd4d4;
  border: 1px solid rgba(214,69,69,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn-small {
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  font-size: 0.92rem;
}

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

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

.table th,
.table td {
  text-align: left;
  padding: 0.9rem 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  vertical-align: top;
}

.table th {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.table td strong {
  display: block;
  margin-bottom: 0.25rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.32rem 0.6rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge.pending {
  background: rgba(216,163,40,0.14);
  color: #ffd876;
  border-color: rgba(216,163,40,0.3);
}

.badge.approved, .badge.active, .badge.pro {
  background: rgba(31,157,102,0.16);
  color: #a8ffd5;
  border-color: rgba(31,157,102,0.3);
}

.badge.rejected, .badge.inactive, .badge.expired {
  background: rgba(214,69,69,0.14);
  color: #ffc0c0;
  border-color: rgba(214,69,69,0.28);
}

.badge.free, .badge.member {
  background: rgba(74,140,255,0.12);
  color: #c8dcff;
  border-color: rgba(74,140,255,0.26);
}

.muted {
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.kv {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 0.5rem 0.75rem;
}

.kv div:nth-child(odd) {
  color: var(--muted);
}

.notice {
  border: 1px solid rgba(74,140,255,0.28);
  background: rgba(74,140,255,0.08);
  color: #dce8ff;
  border-radius: 14px;
  padding: 0.95rem 1rem;
}

.error {
  border: 1px solid rgba(214,69,69,0.35);
  background: rgba(214,69,69,0.12);
  color: #ffd1d1;
  border-radius: 14px;
  padding: 0.9rem 1rem;
}

.success {
  border: 1px solid rgba(31,157,102,0.35);
  background: rgba(31,157,102,0.12);
  color: #beffd9;
  border-radius: 14px;
  padding: 0.9rem 1rem;
}

.footer-note {
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 1120px) {
  .cards-grid,
  .toolbar,
  .page-grid,
  .detail-grid,
  .form-grid,
  .form-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .grid-two {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .sidebar-footer {
    position: static;
    margin-top: 1rem;
  }

  .topbar {
    flex-direction: column;
  }

  .topbar-meta {
    align-items: flex-start;
  }
}