/* ============================================================================
   Reusable UI components.
   These primitives are loaded globally from base.html and consumed by
   page-specific stylesheets through additional BEM-style modifier classes.
   ========================================================================= */

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

.surface-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--elevation-1);
  box-sizing: border-box;
}

.surface-card--soft {
  background-color: var(--surface-2);
}

/* --- Banners (info / error / success) ----------------------------------- */

.banner {
  --banner-color: var(--text);
  --banner-bg: var(--surface-2);
  --banner-border: var(--border);

  background-color: var(--banner-bg);
  border: 1px solid var(--banner-border);
  color: var(--banner-color);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  line-height: 1.4;
}

.banner--danger {
  --banner-color: var(--danger);
  --banner-bg: var(--danger-bg);
  --banner-border: color-mix(in srgb, var(--danger) 35%, transparent);
}

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

.btn-primary,
.btn-secondary,
.btn-danger,
.btn-ghost,
.btn-pill,
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  cursor: pointer;
  letter-spacing: normal;
  text-decoration: none;
  box-sizing: border-box;
  transition: background-color var(--transition-base),
              border-color var(--transition-base),
              color var(--transition-base),
              transform var(--transition-base),
              box-shadow var(--transition-base);
}

.btn-primary {
  background-color: var(--brand);
  color: var(--on-brand);
  border: 1px solid color-mix(in srgb, var(--brand) 70%, #000000 12%);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-weight: 700;
}

.btn-secondary {
  background-color: var(--main);
  color: var(--on-brand);
  border: 1px solid color-mix(in srgb, var(--main) 70%, #000000 10%);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-weight: 700;
}

.btn-danger {
  background-color: var(--danger);
  color: #ffffff;
  border: 1px solid color-mix(in srgb, var(--danger) 70%, #000000 14%);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-weight: 700;
}

.btn-ghost {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
  font-weight: 600;
}

.btn-ghost:hover {
  background-color: color-mix(in srgb, var(--main-bg) 60%, transparent);
}

.btn-pill {
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.85rem;
  font-weight: 700;
  font-size: 0.9rem;
  background-color: var(--brand);
  color: var(--on-brand);
  border: none;
}

.btn-icon {
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: var(--radius-sm);
  background-color: var(--surface-3);
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 700;
}

button:disabled,
.btn-primary:disabled,
.btn-secondary:disabled,
.btn-danger:disabled,
.btn-ghost:disabled,
.btn-pill:disabled,
.btn-icon:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Toast --------------------------------------------------------------- */

.toast {
  --toast-accent: var(--brand);

  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translate(-50%, 0.6rem);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.6rem 0.75rem;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: min(28rem, calc(100vw - 2rem));
  box-sizing: border-box;
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.toast[data-visible="true"] {
  opacity: 1;
  transform: translate(-50%, 0);
}

.toast[hidden] {
  display: none !important;
}

.toast__iconWrap {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--toast-accent) 18%, transparent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.toast__icon {
  color: var(--toast-accent);
  font-size: 1rem;
}

.toast__content {
  display: grid;
  gap: 0.16rem;
}

.toast__content strong {
  font-size: 0.92rem;
  line-height: 1.2;
}

.toast__content span {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.2;
}

.toast--danger,
.toast[data-tone="error"] {
  --toast-accent: var(--danger);
}

.toast--success,
.toast[data-tone="success"] {
  --toast-accent: var(--main);
}

/* --- Dialog -------------------------------------------------------------- */

.dialog {
  width: min(30rem, calc(100vw - 2rem));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  padding: var(--space-4);
  box-sizing: border-box;
  box-shadow: none;
}

.dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.dialog--narrow {
  width: min(24rem, calc(100vw - 2rem));
  border-radius: 0.9rem;
}

.dialog--wide {
  width: min(36rem, calc(100vw - 2rem));
}

.dialog__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
}

.dialog__text {
  margin: 0.45rem 0 0;
  color: var(--text-muted);
}

.dialog__actions {
  margin-top: 1rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.55rem;
}

.dialog__actions button {
  border-radius: var(--radius-xs);
  padding: 0.55rem 0.8rem;
  letter-spacing: normal;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.dialog__form {
  display: grid;
  gap: 0.85rem;
}

.dialog__form p {
  color: var(--text-muted);
}

.dialog__form select,
.dialog__form input[type="text"],
.dialog__form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--input-bg);
  color: var(--input-text);
  padding: 0.7rem 0.8rem;
  box-sizing: border-box;
}

.dialog__form textarea {
  resize: vertical;
  min-height: 6rem;
}

.dialog__divider {
  width: 100%;
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.25rem 0;
}

.dialog__error {
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- Theme picker (color swatches + dark-mode toggle) ------------------- */

.theme-picker {
  display: grid;
  gap: 1rem;
  width: 100%;
}

.theme-picker__title {
  margin: 0 0 0.65rem;
}

.theme-picker__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
  gap: 1rem;
  justify-items: center;
  margin-top: 1rem;
}

.theme-picker__option {
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 0.45rem;
  cursor: pointer;
  user-select: none;
  text-align: center;
  position: relative;
  width: 100%;
  max-width: 8rem;
}

.theme-picker__option--azul { --swatch-color: #4a90d9; }
.theme-picker__option--verde { --swatch-color: #2ecc71; }
.theme-picker__option--terracota { --swatch-color: #c0392b; }
.theme-picker__option--dourado { --swatch-color: #f1c40f; }
.theme-picker__option--lavanda { --swatch-color: #c39bd3; }
.theme-picker__option--menta { --swatch-color: #76d7c4; }
.theme-picker__option--coral { --swatch-color: #f1948a; }
.theme-picker__option--cinza { --swatch-color: #566573; }

.theme-picker__option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.theme-picker__circle {
  width: 2.85rem;
  height: 2.85rem;
  border-radius: var(--radius-circle);
  border: 1px solid color-mix(in srgb, var(--text) 20%, transparent);
  background-color: var(--swatch-color);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  position: relative;
  display: grid;
  place-items: center;
  box-sizing: border-box;
}

.theme-picker__circle::after {
  content: "✓";
  color: var(--bg);
  font-size: 1.15rem;
  font-weight: 700;
  opacity: 0;
  transform: scale(0.75);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.theme-picker__label {
  font-size: 0.875rem;
  font-weight: 500;
}

.theme-picker__option input[type="radio"]:checked + .theme-picker__circle {
  box-shadow:
    0 0 0 3px var(--surface),
    0 0 0 8px var(--swatch-color);
}

.theme-picker__option input[type="radio"]:checked + .theme-picker__circle + .theme-picker__label {
  color: var(--text);
}

.theme-picker__option input[type="radio"]:checked + .theme-picker__circle::after {
  opacity: 1;
  transform: scale(1);
}

.theme-picker__toggleRow {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  gap: 2rem;
  padding: 0.5rem 1rem;
  justify-self: baseline;
  margin-top: 0.5rem;
}

.theme-picker__toggle {
  position: relative;
  display: inline-flex;
  width: 2.8rem;
  height: 1.6rem;
}

.theme-picker__toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.theme-picker__slider {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-3) 72%, var(--surface));
  border-radius: 999px;
  width: 100%;
  height: 100%;
  position: relative;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  box-sizing: border-box;
}

.theme-picker__slider::before {
  content: "";
  position: absolute;
  width: 1.1rem;
  height: 1.1rem;
  left: 0.2rem;
  top: 0.2rem;
  border-radius: var(--radius-circle);
  background: color-mix(in srgb, var(--surface) 90%, #ffffff);
  border: 1px solid color-mix(in srgb, var(--text) 30%, transparent);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.22);
  transition: transform var(--transition-fast),
              border-color var(--transition-fast),
              background-color var(--transition-fast);
  box-sizing: border-box;
}

.theme-picker__toggle input:checked + .theme-picker__slider {
  background: color-mix(in srgb, var(--brand) 72%, #ffffff);
  border-color: color-mix(in srgb, var(--brand) 46%, var(--border));
}

.theme-picker__toggle input:checked + .theme-picker__slider::before {
  transform: translateX(1.2rem);
  border-color: color-mix(in srgb, var(--brand) 36%, transparent);
}

/* --- Form controls ------------------------------------------------------- */

.field {
  display: grid;
  gap: 0.45rem;
}

.field__hint {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.825rem;
  line-height: 1.4;
}