/* components.css
 * Reusable UI components: buttons, model dropdown, toasts, modals, spinner.
 * INcibe corporate style — Rojo #E73137, Amarillo #FFDD00.
 */

/* ── Buttons ────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  font-weight: 600;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
  outline: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(231, 49, 55, 0.4);
}

.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* Primary — INcibe Red */
.btn--primary {
  background: var(--color-incibe-red);
  color: #ffffff;
}
.btn--primary:hover:not(:disabled) {
  background: var(--color-incibe-red-dark);
  box-shadow: 0 2px 12px rgba(231, 49, 55, 0.4);
}

/* Secondary — INcibe Yellow */
.btn--secondary {
  background: var(--color-incibe-yellow);
  color: var(--color-text-on-yellow);
}
.btn--secondary:hover:not(:disabled) {
  background: var(--color-incibe-yellow-dark);
  box-shadow: 0 2px 10px rgba(255, 221, 0, 0.5); /* Stronger shadow in light mode */
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-strong);
}
.btn--ghost:hover:not(:disabled) {
  background: var(--color-surface-hover);
  border-color: var(--color-text-muted);
}

/* Danger (same as primary — red IS the brand) */
.btn--danger {
  background: transparent;
  color: var(--color-incibe-red);
  border: 1px solid var(--color-incibe-red);
}
.btn--danger:hover:not(:disabled) {
  background: var(--color-incibe-red-muted);
}

/* Icon-only */
.btn--icon {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  line-height: 1;
}

/* Block */
.btn--block { width: 100%; }

/* Send button — round yellow button */
.btn--send {
  background: var(--color-incibe-red);
  color: #ffffff;
  border-radius: var(--radius-full);
  width: 38px;
  height: 38px;
  padding: 0;
  flex-shrink: 0;
}
.btn--send:hover:not(:disabled) {
  background: var(--color-incibe-red-dark);
  box-shadow: 0 2px 10px rgba(231, 49, 55, 0.45);
}

/* Sidebar new-chat button */
.btn--new-chat {
  width: 100%;
  background: var(--color-incibe-red);
  color: #ffffff;
  border: none;
  gap: var(--space-2);
}
.btn--new-chat:hover:not(:disabled) {
  background: var(--color-incibe-red-dark);
  box-shadow: 0 2px 12px rgba(231, 49, 55, 0.35);
}

/* ── Spinner ─────────────────────────────────────────────── */

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  display: inline-block;
  animation: spin 0.65s linear infinite;
}

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

/* ── Model select dropdown ──────────────────────────────── */

.model-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  font-weight: 500;
  padding: var(--space-2) var(--space-5) var(--space-2) var(--space-3);
  cursor: pointer;
  outline: none;
  /* Chevron in grey */
  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='%2364748b' stroke-width='3'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-width: 180px;
}

.model-select:focus {
  border-color: var(--color-incibe-red);
  box-shadow: 0 0 0 2px var(--color-incibe-red-muted);
}

.model-select option {
  background: var(--color-surface);
  color: var(--color-text-primary);
}

/* ── Toast notifications ────────────────────────────────── */

#toast-container {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  z-index: var(--z-toast);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  min-width: 280px;
  max-width: 480px;
}

#toast-container.toast-container--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-left: 4px solid transparent;
}

.toast--success { background: #0d2e1a; border-left-color: #22c55e; color: #86efac; }
.toast--error   { background: #2a0a0b; border-left-color: var(--color-incibe-red); color: #fca5a5; }
.toast--info    { background: #0a1f2e; border-left-color: #38bdf8; color: #7dd3fc; }
/* Warning uses INcibe yellow */
.toast--warning { background: #2a2200; border-left-color: var(--color-incibe-yellow); color: #fde047; }

.toast__icon { font-size: 1rem; flex-shrink: 0; }
.toast__message { flex: 1; line-height: 1.4; }

.toast__close {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: var(--font-size-sm);
  opacity: 0.7;
  padding: 2px 4px;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}
.toast__close:hover { opacity: 1; }

/* ── Generic modal ──────────────────────────────────────── */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(30, 41, 59, 0.4); /* Lighter backdrop for light theme */
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal--visible {
  opacity: 1;
  pointer-events: all;
}

.modal__panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-incibe-red);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 10px 40px rgba(0,0,0,0.1); /* Softer shadows */
  padding: var(--space-6);
  width: 100%;
  max-width: 440px;
  animation: slideUpFade 0.25s ease both;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Icon in red */
.modal__title-icon { color: var(--color-incibe-red); }

.modal__body { display: flex; flex-direction: column; gap: var(--space-3); }

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

/* ── Confirm dialog ──────────────────────────────────────── */

#confirm-modal .modal__panel { max-width: 360px; }

#confirm-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.5;
}