/* =============================================================================
   components.css — Buttons, forms, cards, modals, badges, tables
   ============================================================================= */

/* ---- Layout primitives ---- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--surface-card);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}
.app-header-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}
.app-header-title a {
  color: inherit;
  text-decoration: none;
}
.app-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-main {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}
.page-title { font-size: 1.5rem; font-weight: 600; margin: 0; }
.page-subtitle { color: var(--text-secondary); margin-top: 4px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  color: var(--text-primary);
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}
.btn:active { transform: translateY(1px); }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--accent-text);
}

.btn-danger {
  color: var(--danger);
  border-color: var(--border-default);
}
.btn-danger:hover {
  background: var(--danger-subtle);
  border-color: var(--danger);
  color: var(--danger);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--surface-hover);
  border-color: var(--border-subtle);
}

.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-lg { padding: 12px 20px; font-size: 15px; }

.btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
}

/* ---- Form controls ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}
.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.form-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 2px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.form-control:disabled {
  background: var(--surface-subtle);
  cursor: not-allowed;
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

textarea.form-control {
  min-height: 80px;
  resize: vertical;
  line-height: 1.5;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* ---- Cards ---- */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.card-hover {
  cursor: pointer;
}
.card-hover:hover {
  box-shadow: var(--shadow);
  border-color: var(--border-default);
}

/* ---- Badges & chips ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 999px;
  background: var(--surface-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.badge-accent  { background: var(--accent-subtle);  color: var(--accent);  border-color: var(--accent); }
.badge-success { background: var(--success-subtle); color: var(--success); border-color: var(--success); }
.badge-warning { background: var(--warning-subtle); color: var(--warning); border-color: var(--warning); }
.badge-danger  { background: var(--danger-subtle);  color: var(--danger);  border-color: var(--danger); }

/* ---- Progress bar ---- */
.progress {
  width: 100%;
  height: 6px;
  background: var(--surface-subtle);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 300ms ease;
}

/* ---- Tables ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface-card);
}
.data-table th,
.data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}
.data-table th {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: var(--surface-subtle);
  position: sticky;
  top: 0;
  z-index: 1;
}
.data-table tbody tr {
  transition: background var(--transition);
}
.data-table tbody tr:hover {
  background: var(--surface-subtle);
}
.data-table td input,
.data-table td select {
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 6px;
  width: 100%;
  border-radius: var(--radius-sm);
}
.data-table td input:hover,
.data-table td select:hover {
  border-color: var(--border-subtle);
}
.data-table td input:focus,
.data-table td select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface-card);
  box-shadow: 0 0 0 2px var(--accent-subtle);
}

.col-narrow { width: 70px; }
.col-date   { width: 130px; }
.col-pct    { width: 80px; }
.col-actions{ width: 60px; text-align: right; }

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--surface-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
  animation: fadeIn 150ms ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 540px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}
.modal-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}
.modal-hdr h2 { margin: 0; font-size: 1.1rem; }
.modal-body { padding: 20px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-subtle);
  background: var(--surface-subtle);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state h3 { color: var(--text-secondary); margin-bottom: 8px; }

/* ---- Toast notifications ---- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  min-width: 260px;
  max-width: 400px;
  padding: 12px 16px;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text-primary);
  pointer-events: auto;
  animation: slideIn 200ms ease;
}
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.toast-success { border-left-color: var(--success); }
.toast-warning { border-left-color: var(--warning); }
.toast-danger  { border-left-color: var(--danger); }

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}
.tab {
  padding: 10px 16px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---- Project card (list page) ---- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.project-card-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.project-card-title h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text-primary);
}
.project-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}
.project-card-dates {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.project-card-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.project-card-progress {
  display: flex;
  align-items: center;
  gap: 8px;
}
.project-card-progress-label {
  font-size: 12px;
  color: var(--text-secondary);
  min-width: 32px;
  text-align: right;
}
.project-card-actions {
  display: flex;
  gap: 4px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

/* ---- Theme toggle ---- */
.theme-toggle {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }

/* ---- Login page ---- */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 400px;
  padding: 32px;
}
.login-card h1 {
  margin-bottom: 4px;
}
.login-card .subtitle {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .app-main { padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
}