/* =============================================
   Components — Apple Dark Mode Premium
   ============================================= */

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  min-height: 44px;
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.96);
  transition-duration: 80ms;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--glass-white);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

.btn-sm {
  padding: 6px 14px;
  font-size: 12px;
  min-height: 32px;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-icon:hover {
  background: var(--glass-white-hover);
  color: var(--text-primary);
}

.btn-icon:active {
  transform: scale(0.92);
}

.btn:disabled, .btn[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* ─── Glass Cards ─── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-normal);
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

/* Subtle top highlight */
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.glass-card.interactive {
  cursor: pointer;
}

.glass-card.interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
}

.glass-card.interactive:hover::before {
  opacity: 1;
}

.glass-card.interactive:active {
  transform: translateY(0) scale(0.99);
  transition-duration: 80ms;
}

/* ─── Form Inputs ─── */
.form-group {
  margin-bottom: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  transition: all var(--transition-fast);
  outline: none;
  box-shadow: var(--shadow-inner);
  -webkit-appearance: none;
  appearance: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.theme-light .form-control {
  background: rgba(0, 0, 0, 0.04);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: var(--shadow-inner), 0 0 0 3px rgba(var(--primary-rgb), 0.15);
  background: rgba(0, 0, 0, 0.4);
}

select.form-control {
  cursor: pointer;
  padding-right: 32px;
  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='%2386868B' stroke-width='2.5' 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 12px center;
}

select.form-control option {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
}

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

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.4;
  white-space: nowrap;
}

.badge-outline {
  background: transparent;
  border: 1px solid currentColor;
}

.badge-filled {
  color: white;
}

/* ─── Avatar ─── */
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

/* ─── Data Tables ─── */
.data-table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table tbody tr {
  transition: background var(--transition-fast);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

.data-table tbody td {
  padding: 12px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}

/* ─── Toggle Switch ─── */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 26px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 26px;
  transition: var(--transition-fast);
  border: 1px solid var(--glass-border);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 2px;
  bottom: 2px;
  background: white;
  border-radius: 50%;
  transition: var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--primary);
  border-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(18px);
}

/* ─── Divider ─── */
.divider {
  border: none;
  border-top: 1px solid var(--glass-border);
  margin: var(--spacing-md) 0;
}

/* ─── Empty State ─── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  text-align: center;
  color: var(--text-muted);
  gap: var(--spacing-md);
}

.empty-state .material-icons-outlined {
  font-size: 48px;
  opacity: 0.5;
}

/* ─── Progress Bar ─── */
.progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* ─── Mobile Touch Targets ─── */
@media (max-width: 768px) {
  .btn {
    min-height: 44px;
    padding: 10px 18px;
  }

  .btn-icon {
    width: 44px;
    height: 44px;
  }

  .form-control {
    padding: 12px 14px;
    font-size: 16px; /* Prevents iOS zoom on focus */
  }

  .data-table tbody td,
  .data-table thead th {
    padding: 10px 12px;
  }

  /* Horizontal scroll indicator for tables */
  .data-table-wrapper {
    position: relative;
  }

  .data-table-wrapper::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 24px;
    background: linear-gradient(90deg, transparent, var(--bg));
    pointer-events: none;
    opacity: 0.6;
  }
}

/* Concentric Rings Widget */
.rings-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  padding: var(--spacing-md);
}

.rings-visual {
  position: relative;
  width: 200px;
  height: 200px;
  flex-shrink: 0;
}

.rings-visual svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.ring-bg {
  fill: none;
  stroke-width: 12;
}

.ring-fg {
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
  transition: stroke-dashoffset var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
}

.rings-legend {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.legend-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--glass-border-hover);
  transform: translateX(4px);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.legend-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.legend-value-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 4px;
}

.legend-val {
  font-size: 20px;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  color: var(--text-primary);
}

.legend-pct {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}