/* components.css
   Componentes core: botones, forms, cards, badges, listas, tabs, chips, toasts, alerts, skeleton, spinner
   Mobile-first + tap targets 44px
*/

/* -------------------------------------------------------------- */
/* Buttons                                                         */
/* -------------------------------------------------------------- */

.btn {
  appearance: none;
  border: var(--border-w) solid var(--border);
  background: var(--surface);
  color: var(--text);
  min-height: var(--tap);
  padding: 0 var(--s-4);
  border-radius: var(--r-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-3);
  line-height: 1;
  box-shadow: var(--shadow-1);
  transition: transform var(--dur-1) var(--ease), box-shadow var(--dur-2) var(--ease), opacity var(--dur-1) var(--ease);
  user-select: none;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-1);
  opacity: 0.92;
}

.btn[disabled],
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn--block {
  width: 100%;
}

.btn--primary {
  background: var(--primary);
  border-color: transparent;
  color: #fff;
}

.btn--ghost {
  background: transparent;
  box-shadow: none;
}

.btn--danger {
  background: var(--danger);
  border-color: transparent;
  color: #fff;
}

/* Small button (still tap-friendly) */
.btn--sm {
  min-height: var(--tap);
  padding: 0 var(--s-3);
  font-size: var(--fs-2);
}

/* -------------------------------------------------------------- */
/* Forms                                                           */
/* -------------------------------------------------------------- */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.label {
  font-size: var(--fs-2);
  color: var(--muted);
  font-weight: var(--fw-medium);
}

.input,
.textarea,
.select {
  width: 100%;
  border: var(--border-w) solid var(--border);
  border-radius: var(--r-2);
  background: var(--surface);
  min-height: var(--tap);
  padding: 0 var(--s-3);
}

.textarea {
  padding: var(--s-3);
  min-height: 120px;
}

.help {
  font-size: var(--fs-2);
  color: var(--muted);
}

.error {
  font-size: var(--fs-2);
  color: var(--danger);
  font-weight: var(--fw-medium);
}

.form-grid {
  display: grid;
  gap: var(--s-4);
  grid-template-columns: 1fr;
}

@media (min-width: 769px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.form-actions {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  align-items: center;
}

@media (max-width: 480px) {
  .form-actions .btn {
    width: 100%;
  }
}

/* -------------------------------------------------------------- */
/* Cards                                                           */
/* -------------------------------------------------------------- */

.card {
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.card__inner {
  display: grid;
  grid-template-columns: 1fr;
}

.card__media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

@media (min-width: 769px) {
  .card__inner {
    grid-template-columns: 220px 1fr;
  }
  .card__media img {
    height: 100%;
    min-height: 180px;
  }
}

.card__body {
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-3);
}

.card__title {
  margin: 0;
  font-size: var(--fs-4);
  line-height: var(--lh-2);
}

.card__desc {
  margin: 0;
  color: var(--text);
  font-size: var(--fs-3);
}

.card__desc--muted {
  color: var(--muted);
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  color: var(--muted);
  font-size: var(--fs-2);
}

.card__actions {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-top: var(--s-2);
}

@media (max-width: 480px) {
  .card__actions .btn {
    width: 100%;
  }
}

/* -------------------------------------------------------------- */
/* Badges + Meta chips                                              */
/* -------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 var(--s-3);
  border-radius: 999px;
  font-size: var(--fs-2);
  font-weight: var(--fw-semibold);
  border: var(--border-w) solid var(--border);
  background: rgba(15, 23, 42, 0.03);
  color: var(--text);
  white-space: nowrap;
}

/* Request statuses */
.badge--open { background: rgba(37, 99, 235, 0.08); border-color: rgba(37, 99, 235, 0.18); }
.badge--quoted { background: rgba(124, 58, 237, 0.08); border-color: rgba(124, 58, 237, 0.18); }
.badge--awarded { background: rgba(22, 163, 74, 0.10); border-color: rgba(22, 163, 74, 0.22); }
.badge--closed { background: rgba(100, 116, 139, 0.10); border-color: rgba(100, 116, 139, 0.20); }
.badge--cancelled { background: rgba(220, 38, 38, 0.08); border-color: rgba(220, 38, 38, 0.18); }

/* Quote statuses */
.badge--sent { background: rgba(37, 99, 235, 0.08); border-color: rgba(37, 99, 235, 0.18); }
.badge--accepted { background: rgba(22, 163, 74, 0.10); border-color: rgba(22, 163, 74, 0.22); }
.badge--rejected { background: rgba(220, 38, 38, 0.08); border-color: rgba(220, 38, 38, 0.18); }
.badge--withdrawn { background: rgba(100, 116, 139, 0.10); border-color: rgba(100, 116, 139, 0.20); }

.meta {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 6px var(--s-3);
  border-radius: 999px;
  border: var(--border-w) solid var(--border);
  background: rgba(15, 23, 42, 0.02);
}

/* -------------------------------------------------------------- */
/* Lists                                                           */
/* -------------------------------------------------------------- */

.list {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.list-item {
  background: var(--surface);
  border: var(--border-w) solid var(--border);
  border-radius: var(--r-2);
  padding: var(--s-4);
  display: flex;
  gap: var(--s-3);
  align-items: center;
  justify-content: space-between;
}

.list-item__main {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  min-width: 0;
}

.list-item__title {
  font-weight: var(--fw-semibold);
  margin: 0;
  font-size: var(--fs-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list-item__sub {
  color: var(--muted);
  font-size: var(--fs-2);
  margin: 0;
}

.list-item__cta {
  display: flex;
  gap: var(--s-2);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .list-item {
    flex-direction: column;
    align-items: stretch;
  }
  .list-item__cta .btn {
    width: 100%;
  }
}

/* -------------------------------------------------------------- */
/* Tabs + Chips                                                     */
/* -------------------------------------------------------------- */

.tabs {
  display: flex;
  gap: var(--s-2);
  overflow-x: auto;
  padding-bottom: var(--s-2);
  -webkit-overflow-scrolling: touch;
}

.tabs::-webkit-scrollbar {
  height: 6px;
}
.tabs::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.18);
  border-radius: 999px;
}

.chip,
.tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 0 var(--s-4);
  border-radius: 999px;
  border: var(--border-w) solid var(--border);
  background: var(--surface);
  font-size: var(--fs-2);
  font-weight: var(--fw-semibold);
  white-space: nowrap;
  cursor: pointer;
}

.tab.is-active,
.chip.is-active {
  background: rgba(37, 99, 235, 0.10);
  border-color: rgba(37, 99, 235, 0.25);
}

/* -------------------------------------------------------------- */
/* Alerts + Toasts                                                  */
/* -------------------------------------------------------------- */

.alert {
  border-radius: var(--r-2);
  padding: var(--s-4);
  border: var(--border-w) solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}

.alert--success { border-color: rgba(22, 163, 74, 0.25); background: rgba(22, 163, 74, 0.08); }
.alert--error { border-color: rgba(220, 38, 38, 0.25); background: rgba(220, 38, 38, 0.08); }
.alert--warning { border-color: rgba(245, 158, 11, 0.25); background: rgba(245, 158, 11, 0.10); }
.alert--info { border-color: rgba(37, 99, 235, 0.25); background: rgba(37, 99, 235, 0.08); }

/* (Toasts ya los creas por JS con inline; esto es para personalizar si quieres) */
.toast {
  border-radius: var(--r-2);
  border: var(--border-w) solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-2);
}

/* -------------------------------------------------------------- */
/* Empty state                                                     */
/* -------------------------------------------------------------- */

.empty-state {
  padding: var(--s-6) 0;
}

.empty-state__card {
  background: var(--surface);
  border: var(--border-w) dashed var(--border);
  border-radius: var(--r-3);
  padding: var(--s-6);
  box-shadow: var(--shadow-1);
  text-align: left;
  max-width: var(--max-card);
}

.empty-state__title {
  margin: 0 0 var(--s-2);
  font-size: var(--fs-4);
}

.empty-state__text {
  margin: 0 0 var(--s-4);
  color: var(--muted);
}

/* -------------------------------------------------------------- */
/* Loading + Skeleton                                              */
/* -------------------------------------------------------------- */

.spinner {
  width: 26px;
  height: 26px;
  border: 3px solid rgba(15, 23, 42, 0.14);
  border-top-color: rgba(15, 23, 42, 0.52);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.skeleton {
  border-radius: var(--r-2);
  background: linear-gradient(
    90deg,
    rgba(15, 23, 42, 0.05),
    rgba(15, 23, 42, 0.10),
    rgba(15, 23, 42, 0.05)
  );
  background-size: 200% 100%;
  animation: shimmer 1.2s var(--ease) infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .spinner,
  .skeleton {
    animation: none !important;
  }
}

/* -------------------------------------------------------------- */
/* Modal close button helper                                       */
/* -------------------------------------------------------------- */

.modal-close,
[data-modal-close] {
  min-height: var(--tap);
  min-width: var(--tap);
  border-radius: 999px;
  border: var(--border-w) solid var(--border);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-1);
}

.modal-close:hover,
[data-modal-close]:hover {
  box-shadow: var(--shadow-2);
}
/* =========================================================
   COMPAT LAYER: HTML classes -> existing component styles
   Pegar al FINAL de components.css
========================================================= */

/* Buttons aliases */
.btn-primary { background: var(--primary); border-color: transparent; color: #fff; }
.btn-ghost { background: transparent; box-shadow: none; }
.btn-danger { background: var(--danger); border-color: transparent; color: #fff; }

.btn-lg { min-height: 52px; padding: 0 var(--s-5); font-size: var(--fs-4); border-radius: var(--r-3); }
.w-full { width: 100%; }
.btn-block { width: 100%; }

/* Improve inputs a bit (premium feel) */
.input, .select, .textarea {
  transition: box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
}
.input:focus, .select:focus, .textarea:focus {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
}

/* Card aliases: your HTML uses .card-header/body/footer */
.card-header { padding: var(--s-5) var(--s-6) 0; }
.card-body { padding: var(--s-5) var(--s-6); }
.card-footer { padding: 0 var(--s-6) var(--s-6); }

@media (max-width: 480px) {
  .card-header, .card-body, .card-footer { padding-left: var(--s-4); padding-right: var(--s-4); }
}

/* Elevated variant */
.card-elevated { box-shadow: var(--shadow-2); border-color: rgba(15, 23, 42, 0.10); }