/* ============================================================
   BOOKR — Reusable UI Components
   ============================================================ */
@import url('variables.css');

/* -----------------------------------------------
   Buttons
----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 24px;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
  user-select: none;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-brand-lg);
  color: #fff;
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-2);
  transform: translateY(-1px);
}

.btn-dark {
  background: var(--color-dark);
  color: #fff;
  border-color: var(--color-dark);
}
.btn-dark:hover:not(:disabled) {
  background: var(--color-dark-2);
  color: #fff;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-primary);
}

.btn-danger {
  background: var(--color-error-bg);
  color: var(--color-accent-dark);
  border-color: var(--color-accent);
}
.btn-danger:hover:not(:disabled) {
  background: var(--color-accent);
  color: #fff;
}

.btn-sm  { padding: 8px 16px;  font-size: var(--text-xs); }
.btn-lg  { padding: 16px 32px; font-size: var(--text-base); }
.btn-xl  { padding: 18px 40px; font-size: var(--text-lg); }
.btn-icon { padding: 10px; border-radius: var(--radius-lg); }
.btn-full { width: 100%; }

/* Loading spinner in button */
.btn.loading { pointer-events: none; position: relative; color: transparent; }
.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* -----------------------------------------------
   Cards
----------------------------------------------- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--duration-normal), transform var(--duration-normal);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.card-header h3 { font-size: var(--text-lg); }
.card-title  { font-size: var(--text-lg); font-weight: var(--weight-bold); color: var(--color-dark); }
.card-body   { }
.card-footer {
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.card-gradient {
  background: var(--gradient-brand);
  color: #fff;
  border: none;
}
.card-gradient h3, .card-gradient p { color: #fff; }

/* Stat Card */
.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.stat-card .stat-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; flex-shrink: 0;
}
.stat-card .stat-value { font-size: var(--text-3xl); font-weight: var(--weight-black); color: var(--color-dark); line-height: 1; }
.stat-card .stat-label { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }
.stat-card .stat-change { font-size: var(--text-xs); font-weight: var(--weight-semibold); margin-top: var(--space-1); }
.stat-card .stat-change.up   { color: var(--color-success); }
.stat-card .stat-change.down { color: var(--color-accent); }

/* -----------------------------------------------
   Forms
----------------------------------------------- */
.form-group { margin-bottom: var(--space-5); }

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}
.form-label span.required { color: var(--color-accent); margin-left: 2px; }

.form-control {
  display: block;
  width: 100%;
  padding: 12px 16px;
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
  outline: none;
  line-height: 1.5;
}
.form-control::placeholder { color: var(--color-text-light); }
.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}
.form-control:disabled { background: var(--color-bg); color: var(--color-text-muted); cursor: not-allowed; }
.form-control.is-error { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(252,129,129,0.12); }
.form-control.is-valid { border-color: var(--color-success); box-shadow: 0 0 0 3px rgba(72,187,120,0.12); }

textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23718096' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }

.form-hint { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-1); }
.form-error { font-size: var(--text-xs); color: var(--color-accent); margin-top: var(--space-1); display: flex; align-items: center; gap: 4px; }

/* Input with icon */
.input-group { position: relative; }
.input-group .input-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); pointer-events: none; font-size: 18px; }
.input-group .form-control { padding-left: 44px; }
.input-group .input-action { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; color: var(--color-text-muted); padding: 0; }
.input-group .input-action:hover { color: var(--color-primary); }

/* Checkbox & Radio */
.form-check { display: flex; align-items: flex-start; gap: var(--space-3); cursor: pointer; }
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px; height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  cursor: pointer;
  appearance: none;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all var(--duration-fast);
}
.form-check input[type="radio"] { border-radius: 50%; }
.form-check input[type="checkbox"]:checked,
.form-check input[type="radio"]:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.form-check input[type="checkbox"]:checked::after {
  content: '';
  display: block;
  width: 5px; height: 9px;
  border: 2px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(45deg) translate(2px, -1px);
  margin: auto;
}
.form-check-label { font-size: var(--text-sm); color: var(--color-text); line-height: 1.5; }

/* Toggle Switch */
.toggle { position: relative; display: inline-block; width: 48px; height: 26px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--duration-normal);
}
.toggle-slider::before {
  content: ''; position: absolute;
  width: 20px; height: 20px;
  left: 3px; top: 3px;
  background: #fff; border-radius: 50%;
  transition: transform var(--duration-normal) var(--ease-out);
  box-shadow: var(--shadow-xs);
}
.toggle input:checked + .toggle-slider { background: var(--color-primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(22px); }

/* -----------------------------------------------
   Badges
----------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
}
.badge-primary   { background: rgba(var(--color-primary-rgb),0.12); color: var(--color-primary-dark); }
.badge-success   { background: var(--color-success-bg); color: #276749; }
.badge-warning   { background: var(--color-warning-bg); color: #7B341E; }
.badge-error     { background: var(--color-error-bg); color: #9B2C2C; }
.badge-info      { background: var(--color-info-bg); color: #2A4365; }
.badge-dark      { background: var(--color-dark); color: #fff; }
.badge-secondary { background: rgba(var(--color-secondary-rgb),0.12); color: var(--color-secondary-dark); }
.badge-free      { background: #F0F2FF; color: var(--color-primary); }
.badge-pro       { background: linear-gradient(135deg,rgba(108,99,255,0.12),rgba(0,210,211,0.12)); color: var(--color-primary-dark); }
.badge-enterprise { background: var(--color-dark); color: var(--color-secondary); }

/* Booking status badges */
.status-pending   { background: var(--color-warning-bg); color: #7B341E; }
.status-confirmed { background: var(--color-success-bg); color: #276749; }
.status-cancelled { background: var(--color-error-bg); color: #9B2C2C; }
.status-completed { background: var(--color-info-bg); color: #2A4365; }
.status-no_show   { background: #FAF0FF; color: #553C9A; }

/* -----------------------------------------------
   Alerts / Notices
----------------------------------------------- */
.alert {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.alert-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: var(--color-success-bg); color: #276749; border: 1px solid rgba(72,187,120,0.3); }
.alert-error   { background: var(--color-error-bg); color: #9B2C2C; border: 1px solid rgba(252,129,129,0.3); }
.alert-warning { background: var(--color-warning-bg); color: #7B341E; border: 1px solid rgba(237,137,54,0.3); }
.alert-info    { background: var(--color-info-bg); color: #2A4365; border: 1px solid rgba(66,153,225,0.3); }

/* -----------------------------------------------
   Tables
----------------------------------------------- */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-xl); border: 1px solid var(--color-border); }
table { width: 100%; border-collapse: collapse; }
thead { background: var(--color-bg); }
thead th {
  text-align: left;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
tbody tr { transition: background var(--duration-fast); }
tbody tr:hover { background: var(--color-surface-2); }
tbody td {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }

/* -----------------------------------------------
   Avatar
----------------------------------------------- */
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  color: #fff;
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-sm  { width: 32px; height: 32px; font-size: var(--text-xs); }
.avatar-lg  { width: 56px; height: 56px; font-size: var(--text-lg); }
.avatar-xl  { width: 80px; height: 80px; font-size: var(--text-2xl); }
.avatar-2xl { width: 120px; height: 120px; font-size: var(--text-3xl); }

/* -----------------------------------------------
   Modal
----------------------------------------------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(26,26,46,0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  opacity: 0; pointer-events: none;
  transition: opacity var(--duration-normal);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 540px; width: 100%;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--duration-normal) var(--ease-out);
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-6); }
.modal-header h3 { font-size: var(--text-xl); }
.modal-close { background: none; border: none; cursor: pointer; color: var(--color-text-muted); font-size: 24px; line-height: 1; padding: 4px; border-radius: var(--radius-sm); transition: color var(--duration-fast); }
.modal-close:hover { color: var(--color-dark); }
.modal-footer { display: flex; gap: var(--space-3); justify-content: flex-end; margin-top: var(--space-6); }

/* -----------------------------------------------
   Toast Notifications
----------------------------------------------- */
#toast-container {
  position: fixed;
  bottom: var(--space-6); right: var(--space-6);
  z-index: var(--z-toast);
  display: flex; flex-direction: column; gap: var(--space-3);
  max-width: 380px;
}
.toast {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-dark);
  color: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  min-width: 280px;
  animation: toastIn var(--duration-normal) var(--ease-out);
  position: relative;
}
.toast.removing { animation: toastOut var(--duration-normal) var(--ease-in) forwards; }
.toast-icon { font-size: 18px; flex-shrink: 0; }
.toast-message { flex: 1; }
.toast-close { background: none; border: none; color: rgba(255,255,255,0.5); cursor: pointer; font-size: 16px; padding: 0; line-height: 1; }
.toast-close:hover { color: #fff; }
.toast.success { border-left: 4px solid var(--color-success); }
.toast.error   { border-left: 4px solid var(--color-accent); }
.toast.warning { border-left: 4px solid var(--color-warning); }
.toast.info    { border-left: 4px solid var(--color-info); }

/* -----------------------------------------------
   Dropdown
----------------------------------------------- */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: var(--z-dropdown);
  overflow: hidden;
  opacity: 0; pointer-events: none; transform: translateY(-8px);
  transition: all var(--duration-normal) var(--ease-out);
}
.dropdown-menu.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.dropdown-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: background var(--duration-fast);
  cursor: pointer; border: none; background: none; width: 100%; text-align: left;
}
.dropdown-item:hover { background: var(--color-surface-2); color: var(--color-primary); }
.dropdown-item.danger:hover { background: var(--color-error-bg); color: var(--color-accent-dark); }
.dropdown-divider { height: 1px; background: var(--color-border); margin: var(--space-2) 0; }

/* -----------------------------------------------
   Tabs
----------------------------------------------- */
.tabs { display: flex; gap: 4px; background: var(--color-bg); border-radius: var(--radius-xl); padding: 4px; border: 1px solid var(--color-border); width: fit-content; }
.tab-btn {
  padding: 8px 20px;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm); font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  cursor: pointer; border: none; background: none;
  transition: all var(--duration-fast);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--color-text); }
.tab-btn.active { background: var(--color-surface); color: var(--color-primary); box-shadow: var(--shadow-xs); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* -----------------------------------------------
   Empty State
----------------------------------------------- */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--color-text-muted);
}
.empty-state .empty-icon { font-size: 56px; margin-bottom: var(--space-4); opacity: 0.5; }
.empty-state h3 { font-size: var(--text-xl); color: var(--color-dark); margin-bottom: var(--space-2); }
.empty-state p { max-width: 400px; margin: 0 auto var(--space-6); }

/* -----------------------------------------------
   Loading Skeleton
----------------------------------------------- */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg) 25%, var(--color-border) 50%, var(--color-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-md);
}
.skeleton-text  { height: 14px; margin-bottom: var(--space-2); border-radius: var(--radius-sm); }
.skeleton-title { height: 22px; margin-bottom: var(--space-3); border-radius: var(--radius-sm); width: 60%; }
.skeleton-card  { height: 120px; border-radius: var(--radius-xl); }

/* -----------------------------------------------
   OTP Input
----------------------------------------------- */
.otp-inputs {
  display: flex; gap: var(--space-3); justify-content: center;
  margin: var(--space-6) 0;
}
.otp-digit {
  width: 56px; height: 64px;
  text-align: center;
  font-size: var(--text-2xl);
  font-weight: var(--weight-black);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-dark);
  transition: all var(--duration-fast);
  outline: none;
}
.otp-digit:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
}
.otp-digit.filled { border-color: var(--color-primary); background: rgba(var(--color-primary-rgb), 0.04); }

/* -----------------------------------------------
   Animations
----------------------------------------------- */
@keyframes spin     { to { transform: rotate(360deg); } }
@keyframes shimmer  { to { background-position: -200% 0; } }
@keyframes fadeIn   { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastIn  { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(20px); } }
@keyframes pulse    { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes float    { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.animate-fade-in { animation: fadeIn var(--duration-slow) var(--ease-out) forwards; }
.animate-float   { animation: float 3s ease-in-out infinite; }
.animate-pulse   { animation: pulse 2s ease-in-out infinite; }

/* -----------------------------------------------
   Divider
----------------------------------------------- */
.divider { height: 1px; background: var(--color-border); margin: var(--space-6) 0; }
.divider-text {
  display: flex; align-items: center; gap: var(--space-4);
  color: var(--color-text-muted); font-size: var(--text-sm);
}
.divider-text::before, .divider-text::after {
  content: ''; flex: 1; height: 1px; background: var(--color-border);
}

/* -----------------------------------------------
   Color Picker
----------------------------------------------- */
.color-picker-group { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.color-swatch {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 3px solid transparent;
  transition: transform var(--duration-fast), border-color var(--duration-fast);
}
.color-swatch:hover    { transform: scale(1.15); }
.color-swatch.selected { border-color: var(--color-dark); transform: scale(1.1); }

/* -----------------------------------------------
   Progress Bar
----------------------------------------------- */
.progress-bar { background: var(--color-border); border-radius: var(--radius-full); height: 6px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: var(--radius-full); background: var(--gradient-brand); transition: width 0.5s var(--ease-out); }

/* -----------------------------------------------
   Pagination
----------------------------------------------- */
.pagination { display: flex; align-items: center; gap: var(--space-2); justify-content: center; margin-top: var(--space-8); }
.page-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm); font-weight: var(--weight-semibold);
  cursor: pointer; background: var(--color-surface);
  color: var(--color-text); transition: all var(--duration-fast);
}
.page-btn:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }
.page-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* -----------------------------------------------
   Search Bar
----------------------------------------------- */
.search-bar {
  position: relative;
  max-width: 480px;
}
.search-bar input {
  width: 100%;
  padding: 12px 20px 12px 48px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.search-bar input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}
.search-bar .search-icon {
  position: absolute; left: 16px; top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}