*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --error: #ef4444;
  --success: #22c55e;
  --radius: 10px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color-scheme: light;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-hover: #eef1f6;
  --border: #d8dee8;
  --text: #1a2332;
  --text-muted: #5c6b7f;
  --link: #2563eb;
  --on-accent: #ffffff;
  --shadow: rgba(15, 20, 25, 0.08);
  --shadow-strong: rgba(15, 20, 25, 0.16);
  --overlay: rgba(15, 20, 25, 0.45);
  --danger-bg: rgba(239, 68, 68, 0.1);
  --danger-text: #b91c1c;
  --danger-border: rgba(239, 68, 68, 0.35);
  --danger-bg-hover: rgba(239, 68, 68, 0.16);
  --admin-badge-bg: rgba(59, 130, 246, 0.12);
  --admin-badge-text: #1d4ed8;
  --muted-badge-bg: rgba(92, 107, 127, 0.12);
  --success-badge-bg: rgba(34, 197, 94, 0.12);
  --pending-badge-bg: rgba(234, 179, 8, 0.14);
  --pending-badge-text: #a16207;
  --ongoing-badge-bg: rgba(59, 130, 246, 0.12);
  --ongoing-badge-text: #1d4ed8;
  --completed-badge-bg: rgba(34, 197, 94, 0.12);
  --completed-badge-text: #15803d;
  --cancelled-badge-bg: rgba(92, 107, 127, 0.12);
  --cancelled-badge-text: #5c6b7f;
  --auth-glow-1: rgba(59, 130, 246, 0.12);
  --auth-glow-2: rgba(99, 102, 241, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0f1419;
    --surface: #1a2332;
    --surface-hover: #243044;
    --border: #2d3a4f;
    --text: #e8edf4;
    --text-muted: #8b9cb3;
    --link: #93c5fd;
    --on-accent: #ffffff;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-strong: rgba(0, 0, 0, 0.45);
    --overlay: rgba(0, 0, 0, 0.6);
    --danger-bg: rgba(239, 68, 68, 0.15);
    --danger-text: #fca5a5;
    --danger-border: rgba(239, 68, 68, 0.35);
    --danger-bg-hover: rgba(239, 68, 68, 0.25);
    --admin-badge-bg: rgba(59, 130, 246, 0.15);
    --admin-badge-text: #93c5fd;
    --muted-badge-bg: rgba(139, 156, 179, 0.15);
    --success-badge-bg: rgba(34, 197, 94, 0.15);
    --pending-badge-bg: rgba(234, 179, 8, 0.18);
    --pending-badge-text: #facc15;
    --ongoing-badge-bg: rgba(59, 130, 246, 0.15);
    --ongoing-badge-text: #93c5fd;
    --completed-badge-bg: rgba(34, 197, 94, 0.15);
    --completed-badge-text: #86efac;
    --cancelled-badge-bg: rgba(139, 156, 179, 0.15);
    --cancelled-badge-text: #8b9cb3;
    --auth-glow-1: rgba(59, 130, 246, 0.08);
    --auth-glow-2: rgba(99, 102, 241, 0.06);
  }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.auth-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse at 20% 50%, var(--auth-glow-1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, var(--auth-glow-2) 0%, transparent 50%),
    var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 8px 32px var(--shadow);
}

.auth-card h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.auth-card .subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-group input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color 0.15s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--surface-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}

.btn-danger:hover {
  background: var(--danger-bg-hover);
}

.error-message {
  color: var(--error);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  min-height: 1.25rem;
}

.hint {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* Dashboard */
.dashboard {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.dashboard-header h1 {
  font-size: 1.15rem;
  font-weight: 600;
}

.header-nav {
  display: flex;
  gap: 0.25rem;
}

.header-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.header-nav a:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.header-nav a.active {
  color: var(--text);
  background: var(--surface-hover);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-badge {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.user-badge strong {
  color: var(--text);
}

.profile-username {
  color: var(--text-muted);
}

.dashboard-main {
  flex: 1;
  padding: 2rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.dashboard-main-wide {
  max-width: 1200px;
}

.dashboard-section {
  margin-bottom: 2.25rem;
  padding-bottom: 2.25rem;
  border-bottom: 1px solid var(--border);
}

.dashboard-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.dashboard-section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.dashboard-section-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.dashboard-section-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.dashboard-section .stats-grid {
  margin-bottom: 1.25rem;
}

.dashboard-section .card {
  margin-bottom: 0;
}

.dashboard-section .dashboard-columns {
  margin-bottom: 0;
}

.card-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.dashboard-columns-system {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.system-stat-value {
  font-size: 1.75rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin: 0.35rem 0 0.5rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-card-loading {
  grid-column: 1 / -1;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-value-budget {
  font-size: 1.25rem;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.quick-link-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, background 0.15s;
}

.quick-link-card:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
}

.quick-link-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.quick-link-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.dashboard-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.card-compact {
  margin-bottom: 0;
}

.card-compact h2 {
  margin-bottom: 0.5rem;
}

.system-status {
  font-size: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.card-header-row h2 {
  margin-bottom: 0;
}

.card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.status-ok {
  color: var(--success);
}

.status-error {
  color: var(--error);
}

.success-message {
  color: var(--success);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  min-height: 1.25rem;
}

.page-header {
  margin-bottom: 1.5rem;
}

.page-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.page-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.page-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.page-header-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.35rem;
}

.page-header-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem 1.5rem;
}

.detail-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.detail-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.detail-value {
  font-size: 0.95rem;
  color: var(--text);
}

.detail-text {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

.detail-text-emphasis {
  font-size: 1.05rem;
  font-weight: 600;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-row-3 {
  grid-template-columns: repeat(3, 1fr);
}

.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
}

.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
}

.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.field-hint {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn-inline {
  width: auto;
}

.btn-small {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.hidden {
  display: none !important;
}

body.modal-open {
  overflow: hidden;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--overlay);
  backdrop-filter: blur(2px);
}

.modal-overlay.hidden {
  pointer-events: none;
}

#section-modal {
  z-index: 1100;
}

.card-header-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.modal {
  width: 100%;
  max-width: 720px;
  max-height: calc(100vh - 3rem);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px var(--shadow-strong);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.modal-close:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
}

.modal-small {
  max-width: 520px;
}

.section-table-wrap {
  margin-top: 1.25rem;
}

.select-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.select-row select {
  flex: 1;
  min-width: 0;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.table-empty {
  color: var(--text-muted);
  text-align: center;
  padding: 1.5rem 0.5rem !important;
}

.table-actions {
  text-align: right;
  white-space: nowrap;
}

.table-actions .btn + .btn {
  margin-left: 0.35rem;
}

.table-link {
  color: var(--link);
  text-decoration: none;
}

.table-link:hover {
  text-decoration: underline;
}

.table-primary {
  font-weight: 500;
}

a.table-primary {
  text-decoration: none;
}

a.table-primary:hover {
  text-decoration: underline;
}

.table-secondary {
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.table-number {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.role-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: capitalize;
}

.role-admin {
  background: var(--admin-badge-bg);
  color: var(--admin-badge-text);
}

.role-user {
  background: var(--muted-badge-bg);
  color: var(--text-muted);
}

.form-group-checkbox {
  display: flex;
  align-items: flex-end;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0;
  font-size: 0.95rem;
  color: var(--text);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.status-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.status-badge-yes {
  background: var(--success-badge-bg);
  color: var(--success);
}

.status-badge-no {
  background: var(--muted-badge-bg);
  color: var(--text-muted);
}

.status-badge-pending {
  background: var(--pending-badge-bg);
  color: var(--pending-badge-text);
}

.status-badge-ongoing {
  background: var(--ongoing-badge-bg);
  color: var(--ongoing-badge-text);
}

.status-badge-completed {
  background: var(--completed-badge-bg);
  color: var(--completed-badge-text);
}

.status-badge-cancelled {
  background: var(--cancelled-badge-bg);
  color: var(--cancelled-badge-text);
}

.filter-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.filter-select {
  padding: 0.4rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.85rem;
}

.loading-page {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 2rem;
  color: var(--text-muted);
  background: var(--bg);
}

@media (max-width: 900px) {
  .dashboard-columns,
  .dashboard-columns-system {
    grid-template-columns: 1fr;
  }

  .dashboard-section-header {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 640px) {
  .header-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .stat-value-budget {
    font-size: 1.1rem;
  }

  .form-row,
  .form-row-3 {
    grid-template-columns: 1fr;
  }

  .user-info {
    flex-wrap: wrap;
  }

  .card-header-row,
  .page-header-row {
    flex-direction: column;
    align-items: stretch;
  }

  .modal-overlay {
    padding: 0.75rem;
  }

  .modal {
    max-height: calc(100vh - 1.5rem);
  }
}