/* ── Buttons ───────────────────────────────────────────────────────── */
.btn {
  display: inline-block; padding: var(--space-sm) var(--space-lg);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); color: var(--color-text);
  cursor: pointer; font-size: var(--font-size-md); font-family: inherit;
}
.btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn.primary {
  background: var(--color-accent); border-color: var(--color-accent); color: var(--color-bg);
}
.btn.primary:hover { filter: brightness(1.1); }
.btn-danger { background: none; color: var(--color-danger); border-color: var(--color-danger); }
.btn-danger:hover { color: var(--color-danger-hover); border-color: var(--color-danger-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-small { padding: var(--space-xs) var(--space-sm); font-size: 0.8rem; }

/* ── Tables ────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--color-border); }
th { font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }

/* ── Table Card ───────────────────────────────────────────────────── */
/* Wraps a <table> in a bordered, rounded card container.
   Usage: <div class="table-card"><table>...</table></div>

   Container:
     border:         1px solid var(--color-border)
     border-radius:  var(--radius-lg) = 8px
     overflow:       auto (enables internal scroll when table is tall)

   Header row (<thead>):
     background:     var(--color-surface) = #f6f8fa (light) / themed (dark)
     position:       sticky, top: 0, z-index: 2
     font-size:      0.65rem (~10.4px) — compact header
     text-transform: uppercase
     letter-spacing: 0.05em
     color:          var(--color-text-muted)
     padding:        0.3rem 0.5rem — compact

   Body rows (<tbody>):
     font-size:      var(--font-size-xs) = 0.75rem (12px)
     padding:        0.3rem 0.5rem
     border-bottom:  1px solid var(--color-border)
     white-space:    nowrap; overflow: hidden; text-overflow: ellipsis
     last row:       no border-bottom (avoids doubling with card border)

   Row hover:        background: var(--color-surface-hover)
   Link cells:       color: var(--color-accent), font-weight: var(--font-weight-medium)
   Muted cells:      color: var(--color-text-muted) (for parameter values, dashes)
*/
.table-card {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.table-card table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: var(--font-size-xs); }
.table-card thead { position: sticky; top: 0; z-index: 2; background: var(--color-surface); }
.table-card th,
.table-card td { text-align: left; padding: 0.3rem 0.5rem; border-bottom: 1px solid var(--color-border); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.table-card th { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }
.table-card tbody tr:last-child td { border-bottom: none; }
.table-card tbody tr:hover { background: var(--color-surface-hover); }
.table-card a { color: var(--color-accent); text-decoration: none; font-weight: var(--font-weight-medium); }
.table-card a:hover { text-decoration: underline; }

/* ── Row Actions ───────────────────────────────────────────────────── */
.row-actions { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-xs); }
.row-actions .action-icons { display: none; flex-shrink: 0; gap: var(--space-xs); }
table.edit-mode .row-actions .action-icons { display: flex; }
.row-actions .icon-btn {
  width: 28px; height: 28px; padding: 0; border: none;
  background: transparent; color: var(--color-text-muted);
  cursor: pointer; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
}
.row-actions .icon-btn:hover { background: var(--color-surface); color: var(--color-accent); }
.row-actions .icon-btn.delete:hover { color: var(--color-error); }

.admin-table th:last-child, .admin-table td:last-child { text-align: right; padding-right: 0.25rem; }
.admin-table .row-actions { justify-content: flex-end; }

/* ── Modals ─────────────────────────────────────────────────────────── */
.modal {
  display: none; position: fixed; inset: 0;
  background: var(--color-overlay);
  align-items: center; justify-content: center;
  z-index: var(--z-modal); padding: var(--space-lg);
}
.modal.show { display: flex; }
.modal-inner {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-xl);
  width: 100%; max-width: 420px;
}
.modal h2 { margin: 0 0 var(--space-lg) 0; font-size: var(--font-size-xl); }
.modal-actions { display: flex; gap: var(--space-sm); justify-content: flex-end; margin-top: var(--space-lg); }
.modal-actions button {
  font-size: var(--font-size-sm); font-family: inherit; color: var(--color-text-muted);
  background: transparent; border: 1px solid var(--color-border);
  padding: var(--space-xs) var(--space-md); border-radius: var(--radius-md); cursor: pointer;
}
.modal-actions button:hover { color: var(--color-accent); border-color: var(--color-accent); }
.modal-actions button[type="submit"],
.modal-actions button.btn-primary {
  color: var(--color-accent); border-color: var(--color-accent);
}
.modal-actions button[type="submit"]:hover,
.modal-actions button.btn-primary:hover {
  color: var(--color-accent-hover); border-color: var(--color-accent-hover);
}

/* ── Floating Dialog ───────────────────────────────────────────────── */
.floating-dialog-backdrop {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.15);
}
.floating-dialog {
  position: absolute;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.floating-dialog-titlebar {
  display: flex; align-items: center; gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  cursor: grab; user-select: none;
  flex-shrink: 0;
}
.floating-dialog.is-dragging .floating-dialog-titlebar { cursor: grabbing; }
.floating-dialog-title {
  font-weight: var(--font-weight-semi);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  flex: 1;
}
.floating-dialog-close {
  background: none; border: none; color: var(--color-text-muted);
  font-size: var(--font-size-xl); line-height: 1;
  cursor: pointer; padding: 0 var(--space-xs);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.floating-dialog-close:hover {
  background: var(--color-badge-error-bg); color: var(--color-error);
}
.floating-dialog-body {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.floating-dialog-content {
  flex: 1; min-height: 0;
  padding: var(--space-xl) var(--space-lg);
  margin: 0;
  display: flex; flex-direction: column;
  align-items: stretch;
  overflow-y: auto;
}
.floating-dialog-resize {
  position: absolute; right: 0; bottom: 0;
  width: 18px; height: 18px; cursor: nwse-resize;
  background: linear-gradient(
    135deg, transparent 40%,
    var(--color-text-muted) 40%, var(--color-text-muted) 45%,
    transparent 45%, transparent 55%,
    var(--color-text-muted) 55%, var(--color-text-muted) 60%,
    transparent 60%, transparent 70%,
    var(--color-text-muted) 70%, var(--color-text-muted) 75%,
    transparent 75%
  );
  opacity: 0.4;
  border-radius: 0 0 var(--radius-xl) 0;
}
.floating-dialog-resize:hover { opacity: 0.7; }

/* ── Dropdown Toggle (for use inside floating dialogs) ────────────── */
.fd-dropdown { position: relative; display: inline-block; }
.fd-dropdown-toggle {
  display: flex; align-items: center; gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  padding-right: var(--space-xl);
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  cursor: pointer; font-size: var(--font-size-sm);
  position: relative; white-space: nowrap;
}
.fd-dropdown-toggle::after {
  content: '';
  position: absolute; right: var(--space-sm); top: 50%;
  width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid var(--color-text-muted);
  transform: translateY(-50%); transition: transform 0.2s ease;
}
.fd-dropdown.open .fd-dropdown-toggle::after {
  transform: translateY(-50%) rotate(180deg);
}
.fd-dropdown-toggle:hover { border-color: var(--color-accent); }
.fd-dropdown.open .fd-dropdown-toggle { border-color: var(--color-accent); }
.fd-dropdown-menu {
  display: none; position: fixed;
  max-height: 280px; overflow-y: auto;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  z-index: 99999;
}
.fd-dropdown.open .fd-dropdown-menu { display: block; }
.fd-dropdown-item {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm); cursor: pointer;
  font-size: var(--font-size-sm); transition: background var(--transition-fast);
}
.fd-dropdown-item:hover { background: var(--color-surface-hover); }
.fd-dropdown-item input[type="checkbox"] { width: auto; margin: 0; cursor: pointer; }

/* ── Form Controls ─────────────────────────────────────────────────── */
label { display: block; font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: var(--space-xs); }
input, textarea, select {
  width: 100%; padding: var(--space-sm) 0.6rem;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); color: var(--color-text);
  margin-bottom: var(--space-md); font-size: 1rem; font-family: inherit;
}
textarea { min-height: 60px; resize: vertical; }

/* ── Feedback ──────────────────────────────────────────────────────── */
.error { color: var(--color-error); font-size: var(--font-size-md); margin-bottom: var(--space-sm); }
.success { color: var(--color-success); font-size: var(--font-size-md); }

/* ── Main Tabs ─────────────────────────────────────────────────────── */
.main-tabs {
  display: flex; align-items: center; gap: 0;
  margin-top: 0; margin-bottom: 0;
  border-bottom: 1px solid var(--color-border); padding-bottom: 0;
}
.main-tabs button {
  font-size: var(--font-size-lg); font-family: inherit; color: var(--color-text-muted);
  background: none; border: none; outline: none;
  border-bottom: 2px solid transparent;
  padding: var(--space-sm) 0.85rem; margin-bottom: -1px; cursor: pointer;
}
.main-tabs button:hover { color: var(--color-accent); }
.main-tabs button.is-active { color: var(--color-accent); border-bottom-color: var(--color-accent); font-weight: var(--font-weight-semi); }
.main-tabs button[data-tab="system"] { margin-left: auto; }

/* ── System Subtabs ────────────────────────────────────────────────── */
.system-subtabs {
  display: flex; align-items: center; gap: 0;
  margin-top: 0; margin-bottom: 0;
  border-bottom: 1px solid var(--color-border); padding-bottom: 0;
}
.system-subtabs a,
.system-subtabs span {
  font-size: var(--font-size-lg); padding: var(--space-sm) 0.85rem; margin-bottom: -1px;
  text-decoration: none; color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
}
.system-subtabs a:hover { color: var(--color-accent); }
.system-subtabs span.is-active { color: var(--color-accent); border-bottom-color: var(--color-accent); font-weight: var(--font-weight-semi); }
.system-subtabs-inner { margin-top: 0; margin-bottom: 0; }

/* ── Home Subtabs ─────────────────────────────────────────────────── */
.home-subtabs {
  display: flex; align-items: center; gap: 0;
  margin-top: 0; margin-bottom: 0;
  border-bottom: 1px solid var(--color-border);
}
.home-subtabs.header-subtabs {
  margin-top: 0;
}
.home-subtabs .home-tab-actions {
  margin-left: auto;
  display: flex; gap: 0.5rem;
}
.home-subtabs .home-subtab {
  font-size: var(--font-size-lg); font-family: inherit;
  color: var(--color-text-muted);
  background: none; border: none;
  border-bottom: 2px solid transparent;
  padding: 0.5rem 0.75rem; margin-bottom: -1px;
  cursor: pointer;
}
.home-subtabs .home-subtab:hover { color: var(--color-accent); }
.home-subtabs .home-subtab.is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: var(--font-weight-semi);
}

/* ── Settings Cards ───────────────────────────────────────────────── */
.system-settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: var(--space-sm);
}
.system-settings-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.system-settings-card[role="button"],
.system-settings-card[data-system-href] {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.system-settings-card[role="button"]:hover,
.system-settings-card[data-system-href]:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
}
.system-settings-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semi);
  margin: 0 0 var(--space-sm) 0;
  color: var(--color-text);
}
.system-settings-card-desc {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-md) 0;
  line-height: 1.4;
}

/* ── Breadcrumb Bar ───────────────────────────────────────────────── */
.breadcrumb-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  height: 2.25rem;
  margin: 0 var(--space-xl);
  padding: 0 var(--space-md);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  overflow: hidden;
}
.breadcrumb-bar a { color: var(--color-accent); text-decoration: none; }
.breadcrumb-bar a:hover { text-decoration: underline; }
.breadcrumb-bar .sep { color: var(--color-text-muted); margin: 0 4px; }

/* ── Theme Selector (Appearance modal) ─────────────────────────── */
.modal-inner-appearance { max-width: 560px; max-height: 85vh; overflow-y: auto; }
.modal-appearance-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--space-xs);
}
.modal-appearance-header h2 { margin: 0; }
.modal-close-btn {
  width: 32px; height: 32px; border: none; background: transparent;
  color: var(--color-text-muted); font-size: 1.4rem; cursor: pointer;
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
}
.modal-close-btn:hover { background: var(--color-surface-hover); color: var(--color-text); }
.modal-appearance-desc {
  color: var(--color-text-muted); font-size: var(--font-size-sm);
  margin: 0 0 var(--space-lg) 0;
}
.theme-card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
}
.theme-card {
  border: 2px solid var(--color-border); border-radius: var(--radius-lg);
  cursor: pointer; overflow: hidden; transition: border-color var(--transition-fast);
}
.theme-card:hover { border-color: var(--color-accent); }
.theme-card.is-active { border-color: var(--color-accent); }
.theme-card-preview { padding: var(--space-sm); }
.theme-preview-bar {
  display: flex; align-items: center; gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.theme-preview-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.theme-preview-line { height: 4px; flex: 1; border-radius: 2px; opacity: 0.7; }
.theme-preview-line-short { flex: 0.4; }
.theme-preview-body {
  padding: var(--space-sm);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  min-height: 48px;
}
.theme-preview-row { display: flex; gap: var(--space-xs); margin-bottom: var(--space-xs); }
.theme-preview-row:last-child { margin-bottom: 0; }
.theme-preview-block { height: 16px; flex: 1; border-radius: 3px; }
.theme-preview-block-wide { flex: 2; }
.theme-card-info {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.theme-card-name { font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); }
.theme-card-badge {
  font-size: var(--font-size-xs); color: var(--color-accent);
  background: var(--color-accent-subtle); padding: 2px 8px;
  border-radius: var(--radius-pill); font-weight: var(--font-weight-semi);
}
.theme-actions-bar {
  display: flex; justify-content: flex-end; gap: var(--space-sm); margin-top: var(--space-md);
}