/* ============================================================
   COMPONENTS
   Reusable UI building blocks.
   ============================================================ */


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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-5);
  height: 2.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--duration-normal) var(--ease-default),
    border-color     var(--duration-normal) var(--ease-default),
    color            var(--duration-normal) var(--ease-default),
    box-shadow       var(--duration-normal) var(--ease-default);
}

.btn:hover {
  text-decoration: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Sizes */
.btn--sm {
  height: 2rem;
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
}

.btn--lg {
  height: 3rem;
  padding: 0 var(--space-8);
  font-size: var(--text-base);
}

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

/* Variants */
.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-on-accent);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 4px 16px var(--color-accent-glow);
}

.btn--secondary {
  background-color: var(--color-bg-interactive);
  color: var(--color-text-primary);
  border-color: var(--color-border-default);
}

.btn--secondary:hover {
  background-color: var(--color-bg-interactive-hover);
  border-color: var(--color-border-strong);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: var(--color-bg-interactive);
  color: var(--color-text-primary);
}

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

.btn--danger:hover {
  background-color: var(--color-error-subtle);
}

.btn--warning {
  background-color: transparent;
  color: var(--color-warning, #f59e0b);
  border-color: var(--color-warning, #f59e0b);
}

.btn--warning:hover {
  background-color: var(--color-warning-subtle, rgba(245, 158, 11, 0.1));
}

/* Explicit colour overrides for <a> elements styled as buttons.
   The base.css link reset (a { color: inherit }) can win on element
   selectors — these rules use higher specificity to enforce btn colours. */
a.btn--primary,
a.btn--primary:hover  { color: var(--color-text-on-accent); }
a.btn--secondary,
a.btn--secondary:hover { color: var(--color-text-primary); }
a.btn--ghost,
a.btn--ghost:hover    { color: var(--color-text-secondary); }
a.btn--danger,
a.btn--danger:hover   { color: var(--color-error); }

/* ── Cards ────────────────────────────────────────────────── */

.card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.card--disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.card--raised {
  border-color: var(--color-border-default);
  box-shadow: var(--shadow-md);
}

.card--interactive {
  cursor: pointer;
  transition:
    transform       var(--duration-normal) var(--ease-default),
    box-shadow      var(--duration-normal) var(--ease-default),
    border-color    var(--duration-normal) var(--ease-default);
}

.card--interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
  text-decoration: none;
}

.card__header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
}

.card__title {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.card__footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

/* ── Badges ───────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  line-height: 1;
}

.badge--success { background-color: var(--color-success-subtle); color: var(--color-success); }
.badge--error   { background-color: var(--color-error-subtle);   color: var(--color-error); }
.badge--warning { background-color: var(--color-warning-subtle); color: var(--color-warning); }
.badge--info    { background-color: var(--color-info-subtle);    color: var(--color-info); }
.badge--neutral { background-color: var(--color-bg-interactive); color: var(--color-text-secondary); }

/* ── Form fields ──────────────────────────────────────────── */

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

.field__label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-wide);
}

.field__label--required::after {
  content: ' *';
  color: var(--color-error);
}

.field__input,
.field__select,
.field__textarea {
  width: 100%;
  padding: 0 var(--space-4);
  height: 2.75rem;
  background-color: var(--color-bg-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  outline: none;
  transition:
    border-color var(--duration-normal) var(--ease-default),
    box-shadow   var(--duration-normal) var(--ease-default);
}

.field__input::placeholder,
.field__textarea::placeholder {
  color: var(--color-text-tertiary);
}

.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: var(--shadow-focus);
}

.field__input--error,
.field__select--error,
.field__textarea--error {
  border-color: var(--color-error);
}

.field__textarea {
  height: auto;
  min-height: 120px;
  padding: var(--space-3) var(--space-4);
  resize: vertical;
  line-height: var(--leading-normal);
}

.field__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238892a8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
  cursor: pointer;
}

.field__error {
  font-size: var(--text-sm);
  color: var(--color-error);
}

.field__hint {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

/* Input with a fixed suffix displayed inline (e.g. a name field locked to _t) */
.field__input-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.field__input-group .field__input {
  flex: 1;
  width: auto;
}

.field__suffix {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Checkbox row: checkbox and label sit inline */
.field--checkbox {
  flex-direction: row;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: 0;
}

.field--checkbox input[type="checkbox"] {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

.field--checkbox label {
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}

.field--checkbox input[type="checkbox"]:disabled + label {
  color: var(--color-text-tertiary);
  cursor: default;
}

/* Indented checkbox — child option visually grouped under a parent */
.field--checkbox-indent {
  padding-left: var(--space-6);
}

/* ── Divider ──────────────────────────────────────────────── */

.divider {
  height: 1px;
  border: none;
  background-color: var(--color-border-subtle);
  margin: 0;
}

.divider--strong {
  background-color: var(--color-border-default);
}

/* ── Alerts / Flash messages ──────────────────────────────── */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  border: 1px solid transparent;
}

.alert p { max-width: none; font-size: inherit; color: inherit; line-height: inherit; margin: 0; }

.alert--error   { background-color: var(--color-error-subtle);   color: var(--color-error);   border-color: var(--color-error); }
.alert--success { background-color: var(--color-success-subtle); color: var(--color-success); border-color: var(--color-success); }
.alert--warning { background-color: var(--color-warning-subtle); color: var(--color-warning); border-color: var(--color-warning); }
.alert--info    { background-color: var(--color-info-subtle);    color: var(--color-info);    border-color: var(--color-info); }


/* ── Toasts (Behavior & Animation) ────────────────────────── */

/* The container pins the toasts to the screen */
.toast-container {
    position: fixed;
    bottom: var(--space-4); /* Adjust to your variables */
    right: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    z-index: 9999;
    pointer-events: none; /* Allows clicking through the empty space of the container */
}

/* The individual toast */
.toast {
    pointer-events: auto; /* Restores clickability on the actual alert */
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(0);
    opacity: 1;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* The starting/ending state for the animation */
.toast--closed {
    opacity: 0;
    transform: translateY(1rem);
}

/* Because your .alert is `display: flex`, auto margin pushes the close button to the right edge */
.toast__close {
    margin-left: auto;
    background: transparent;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.toast__close:hover {
    opacity: 1;
}