:root {
  --bg: #0B0B0D;
  --bg-secondary: #151518;
  --card: #202024;
  --input: #29292E;
  --border: #38383F;
  --text: #FFFFFF;
  --muted: #A1A1AA;
  --success: #4D8A6A;
  --warning: #D4A857;
  --error: #C76D6D;
  --shadow: rgba(0, 0, 0, 0.2);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  min-height: 100vh;
}

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

button {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: 0.2s ease;
}

button:hover {
  opacity: 0.96;
}

button.primary {
  background: #3B3B40;
}

button.success {
  background: rgba(77, 138, 106, 0.2);
  border-color: rgba(77, 138, 106, 0.6);
}

button.danger {
  background: rgba(199, 109, 109, 0.18);
  border-color: rgba(199, 109, 109, 0.7);
}

input, select, textarea {
  width: 100%;
  background: var(--input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}

input::placeholder {
  color: var(--muted);
}

#app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: calc(1.2rem + env(safe-area-inset-top)) 0.9rem 1.2rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  margin-bottom: 1.2rem;
  padding: 0.8rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
}

.brand h1 {
  margin: 0;
  font-size: 1.1rem;
}

.brand p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

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

.nav-btn {
  width: 100%;
  padding: 0.8rem 0.9rem;
  text-align: left;
  border-radius: 10px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
}

.nav-btn.active {
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
}

.admin-only {
  display: none;
}

.admin-only.table-column {
  display: none;
}

.content {
  flex: 1;
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(11, 11, 13, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: calc(1rem + env(safe-area-inset-top)) 1.2rem 1rem;
}

.topbar h2 {
  margin: 0;
  font-size: 1.05rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.workspace-pill {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 0.8rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.mobile-menu {
  display: none;
}

.view {
  display: none;
  padding: 1.3rem;
}

.view.active {
  display: block;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 8px 20px var(--shadow);
}

.card + .card {
  margin-top: 1rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.summary-card {
  padding: 1rem;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
}

.summary-card .label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.summary-card .value {
  margin-top: 0.7rem;
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 700;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
  margin-bottom: 0.9rem;
}

.toolbar-group {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  flex-wrap: wrap;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

thead th {
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  text-align: left;
  padding: 0.8rem 0.9rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}

tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.currency-input {
  max-width: 160px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.35rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid var(--border);
}

.status-pill.success {
  background: rgba(77, 138, 106, 0.18);
  color: #b7d9c3;
  border-color: rgba(77, 138, 106, 0.5);
}

.status-pill.warning {
  background: rgba(212, 168, 87, 0.12);
  color: #eddb9d;
  border-color: rgba(212, 168, 87, 0.5);
}

.status-pill.danger {
  background: rgba(199, 109, 109, 0.12);
  color: #e7b5b5;
  border-color: rgba(199, 109, 109, 0.5);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 1rem;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  background: linear-gradient(135deg, #0B0B0D 0%, #17171A 100%);
}

.login-card {
  width: min(480px, 100%);
  padding: 1.4rem;
}

.login-card h1 {
  margin-top: 0;
  margin-bottom: 0.2rem;
} 

.login-card p {
  margin-top: 0;
  color: var(--muted);
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.login-method-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.1rem 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.login-method-divider::before,
.login-method-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--border);
}

.inline-note {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.4rem;
}

.toast {
  position: fixed;
  right: calc(1rem + env(safe-area-inset-right));
  bottom: calc(1rem + env(safe-area-inset-bottom));
  padding: 0.8rem 1rem;
  border-radius: 12px;
  background: rgba(32, 32, 36, 0.95);
  border: 1px solid var(--border);
  box-shadow: 0 10px 20px rgba(0,0,0,0.25);
  opacity: 0;
  transform: translateY(14px);
  transition: 0.2s ease;
  pointer-events: none;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.hidden {
  display: none !important;
}

.empty-state {
  padding: 1rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    z-index: 50;
    width: 250px;
    transition: left 0.2s ease;
  }

  .sidebar.open {
    left: 0;
  }

  .mobile-menu {
    display: inline-flex;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .summary-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .summary-card .value {
    font-size: 1.5rem;
  }

  .view {
    padding: 0.9rem;
  }

  .topbar {
    padding: calc(0.8rem + env(safe-area-inset-top)) 0.9rem 0.8rem;
  }

  .topbar h2 {
    font-size: 0.95rem;
  }
}