/* =========================================================
   VetAdmin — components.css
   Botones, formularios, tablas, cards, badges, modals
   ========================================================= */

/* ========================
   BOTONES
   ======================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  padding: 0 var(--space-4);
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  text-decoration: none;
}

.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

.btn svg { flex-shrink: 0; }

/* Variantes */
.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-primary:focus-visible { box-shadow: 0 0 0 3px rgba(15,110,86,0.25); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-1);
  border-color: var(--color-border-md);
}
.btn-secondary:hover { background: var(--color-surface-2); border-color: var(--color-border-str); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-2);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--color-surface-2); color: var(--color-text-1); }

.btn-danger {
  background: var(--color-danger);
  color: white;
  border-color: var(--color-danger);
}
.btn-danger:hover { background: #c43b3a; border-color: #c43b3a; }

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

/* Tamaños */
.btn-sm {
  height: 28px;
  padding: 0 var(--space-3);
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  height: 44px;
  padding: 0 var(--space-6);
  font-size: 0.95rem;
  border-radius: var(--radius-lg);
}

.btn-full { width: 100%; }

/* Loading en botón */
.btn.loading { pointer-events: none; }
.btn.loading .btn-label { opacity: 0; }
.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.btn { position: relative; }

/* ========================
   FORMULARIOS
   ======================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--color-text-2);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  height: 38px;
  padding: 0 var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border-md);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-1);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-3); }

.form-input:hover,
.form-select:hover,
.form-textarea:hover { border-color: var(--color-border-str); }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15,110,86,0.12);
}

.form-textarea {
  height: auto;
  min-height: 90px;
  padding: var(--space-2) var(--space-3);
  resize: vertical;
  line-height: 1.5;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%238A8884' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
  cursor: pointer;
}

/* Estados de error/éxito */
.form-group.error .form-input,
.form-group.error .form-select,
.form-group.error .form-textarea {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(226,75,74,0.10);
}

.form-hint {
  font-size: 0.775rem;
  color: var(--color-text-3);
}

.form-error {
  font-size: 0.775rem;
  color: var(--color-danger);
}

/* Grid de formulario */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

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

.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }

/* Checkbox y radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.form-check-label {
  font-size: 0.875rem;
  color: var(--color-text-2);
}

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

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

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-border-str);
  border-radius: var(--radius-full);
  transition: background var(--transition-normal);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  left: 3px; bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-normal);
}

.toggle input:checked + .toggle-slider { background: var(--color-primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(16px); }

/* Input con ícono */
.input-wrapper {
  position: relative;
}

.input-wrapper .input-icon-left {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-3);
  pointer-events: none;
}

.input-wrapper .form-input.has-icon-left {
  padding-left: calc(var(--space-3) * 2 + 16px);
}

.input-wrapper .input-icon-right {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-3);
  cursor: pointer;
}

/* ========================
   CARDS
   ======================== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-1);
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-3);
  margin-top: 1px;
}

.card-body {
  padding: var(--space-5);
}

.card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

/* Stat cards */
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-text-1);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-change {
  font-size: 0.78rem;
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: 3px;
}

.stat-change.positive { color: var(--color-success); }
.stat-change.negative { color: var(--color-danger); }

/* ========================
   TABLAS
   ======================== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
}

th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

th.sortable {
  cursor: pointer;
  user-select: none;
}

th.sortable:hover { color: var(--color-text-1); }

th.sorted-asc::after  { content: ' ↑'; opacity: 0.6; }
th.sorted-desc::after { content: ' ↓'; opacity: 0.6; }

td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-2);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }

tbody tr {
  background: var(--color-surface);
  transition: background var(--transition-fast);
  cursor: pointer;
}

tbody tr:hover { background: var(--color-surface-2); }

.td-main { font-weight: 500; color: var(--color-text-1); }

/* Tabla vacía */
.table-empty {
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--color-text-3);
}

.table-empty svg { margin: 0 auto var(--space-3); opacity: 0.3; }

/* Paginación */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.pagination-info {
  font-size: 0.8rem;
  color: var(--color-text-3);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.page-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-text-2);
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.page-btn:hover { background: var(--color-surface-2); }
.page-btn.active {
  background: var(--color-primary);
  color: white;
  font-weight: 500;
}
.page-btn:disabled { opacity: 0.3; pointer-events: none; }

/* ========================
   BADGES / CHIPS
   ======================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-success { background: var(--color-success-soft); color: var(--color-success-text); }
.badge-danger  { background: var(--color-danger-soft);  color: var(--color-danger-text);  }
.badge-warning { background: var(--color-warning-soft); color: var(--color-warning-text); }
.badge-info    { background: var(--color-info-soft);    color: var(--color-info-text);    }
.badge-neutral { background: var(--color-surface-2);    color: var(--color-text-3);       }
.badge-primary { background: var(--color-primary-soft); color: var(--color-primary-text); }

/* ========================
   MODALES
   ======================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(3px);
}

.modal-panel {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border-md);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: modal-in var(--transition-normal);
}

.modal-panel.modal-lg  { max-width: 760px; }
.modal-panel.modal-xl  { max-width: 980px; }
.modal-panel.modal-sm  { max-width: 400px; }

@keyframes modal-in {
  from { transform: scale(0.96) translateY(8px); opacity: 0; }
  to   { transform: scale(1)    translateY(0);   opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 1;
}

.modal-title { font-size: 1rem; font-weight: 600; }

.modal-close {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-3);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.modal-close:hover { color: var(--color-text-1); background: var(--color-surface-2); }

.modal-body {
  padding: var(--space-5) var(--space-6);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  position: sticky;
  bottom: 0;
}

/* ========================
   AVATAR
   ======================== */
.avatar {
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
  overflow: hidden;
}

.avatar img { width: 100%; height: 100%; object-fit: cover; }

.avatar-sm { width: 28px; height: 28px; font-size: 0.7rem;  }
.avatar-md { width: 36px; height: 36px; font-size: 0.85rem; }
.avatar-lg { width: 48px; height: 48px; font-size: 1rem;    }
.avatar-xl { width: 64px; height: 64px; font-size: 1.25rem; }

/* Avatar de animal */
.avatar-animal {
  background: var(--teal-50);
  color: var(--teal-600);
}

/* ========================
   TABS
   ======================== */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  gap: 0;
  margin-bottom: var(--space-5);
}

.tab-btn {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-3);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--color-text-1); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* ========================
   EMPTY STATE
   ======================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  gap: var(--space-3);
}

.empty-state-icon {
  width: 56px; height: 56px;
  background: var(--color-surface-2);
  border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-3);
  margin-bottom: var(--space-2);
}

.empty-state h3 { font-size: 1rem; font-weight: 600; }
.empty-state p  { font-size: 0.875rem; max-width: 320px; }

/* ========================
   SKELETON LOADING
   ======================== */
.skeleton {
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

.skeleton-text  { height: 14px; margin-bottom: 8px; }
.skeleton-title { height: 20px; width: 60%; }
.skeleton-avatar { border-radius: 50%; }

/* ========================
   DIVIDER
   ======================== */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-4) 0;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-3);
  font-size: 0.8rem;
  margin: var(--space-4) 0;
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--color-border);
}

/* ========================
   ALERT INLINE
   ======================== */
.alert {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  border: 1px solid transparent;
}

.alert-success { background: var(--color-success-soft); color: var(--color-success-text); border-color: rgba(15,110,86,0.2); }
.alert-danger  { background: var(--color-danger-soft);  color: var(--color-danger-text);  border-color: rgba(226,75,74,0.2);  }
.alert-warning { background: var(--color-warning-soft); color: var(--color-warning-text); border-color: rgba(186,117,23,0.2); }
.alert-info    { background: var(--color-info-soft);    color: var(--color-info-text);    border-color: rgba(24,95,165,0.2);  }

/* ========================
   TOOLTIP
   ======================== */
[data-tooltip] {
  position: relative;
}

[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-800);
  color: white;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  z-index: 300;
  pointer-events: none;
}

/* ========================
   FILTER BAR
   ======================== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.filter-bar .form-input { height: 34px; }
.filter-bar .form-select { height: 34px; width: auto; }

/* ========================
   STEPPER (formularios largos)
   ======================== */
.stepper {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--space-8);
}

.step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
}

.step-circle {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem;
  font-weight: 600;
  flex-shrink: 0;
  border: 2px solid var(--color-border-str);
  color: var(--color-text-3);
  background: var(--color-surface);
  transition: all var(--transition-normal);
}

.step.active   .step-circle { border-color: var(--color-primary); color: var(--color-primary); }
.step.done     .step-circle { border-color: var(--color-primary); background: var(--color-primary); color: white; }

.step-label { font-size: 0.8rem; font-weight: 500; color: var(--color-text-3); }
.step.active .step-label { color: var(--color-primary); }
.step.done   .step-label { color: var(--color-text-2); }

.step-line {
  flex: 1;
  height: 1px;
  background: var(--color-border-str);
  margin: 0 var(--space-2);
}

.step.done + .step .step-line { background: var(--color-primary); }

/* =========================================================
   Search section labels
   ========================================================= */
.search-section-label {
  padding: 6px 12px 2px;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-3);
}

/* =========================================================
   Modo oscuro
   NOTA: las variables de modo oscuro viven en global.css
   ([data-theme="dark"] y @media prefers-color-scheme). Antes
   había una segunda definición acá con valores ligeramente
   distintos, pisando por CSS-cascade algunas variables de
   global.css e inconsistentes con el resto — se eliminó.
   ========================================================= */

/* Toggle modo oscuro */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-md);
  color: var(--color-text-2);
  font-size: 1.1rem;
  transition: background .15s;
}
.theme-toggle:hover { background: var(--color-surface-2); }

/* =========================================================
   Notif panel
   ========================================================= */
#notif-panel a:first-of-type { border-top: none; }