/* ==========================================================================
   Components — shared primitives used by both the public site and the admin.
   ========================================================================== */

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-8);
  border-radius: var(--r-pill);
  font-family: var(--body);
  font-size: var(--t-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              opacity var(--dur) var(--ease);
}
.btn svg { flex-shrink: 0; }
.btn:disabled,
.btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.btn-primary { background: var(--gold); color: var(--bg); }
.btn-primary:hover:not(:disabled) { background: var(--gold-bright); transform: translateY(-2px); }

.btn-ghost { background: transparent; border-color: var(--line-strong); color: var(--ink); font-weight: 500; }
.btn-ghost:hover:not(:disabled) { border-color: var(--gold); color: var(--gold); }

.btn-quiet { background: transparent; color: var(--ink-mute); font-weight: 500; }
.btn-quiet:hover:not(:disabled) { color: var(--gold); background: var(--gold-softer); }

.btn-danger { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; }

.btn-lg { padding: var(--s-5) var(--s-10); font-size: var(--t-base); }
.btn-sm { padding: var(--s-2) var(--s-4); font-size: var(--t-xs); gap: var(--s-2); }
.btn-icon { padding: var(--s-2); width: 2.25rem; height: 2.25rem; border-radius: var(--r-md); gap: 0; }

.btn-block { width: 100%; }

/* Arrow nudge on primary CTAs. */
.btn-primary svg { transition: transform var(--dur) var(--ease-out); }
.btn-primary:hover:not(:disabled) svg { transform: translateX(3px); }

/* Inline spinner shown while a button is busy. */
.btn.is-busy { position: relative; color: transparent !important; pointer-events: none; }
.btn.is-busy::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1rem; height: 1rem;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  color: var(--bg);
  animation: spin 620ms linear infinite;
}
.btn-ghost.is-busy::after, .btn-quiet.is-busy::after, .btn-danger.is-busy::after { color: var(--gold); }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Badges --------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0.3rem 0.65rem;
  font-family: var(--body);
  font-size: var(--t-2xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1;
  border: 1px solid var(--line-strong);
  color: var(--gold);
  border-radius: var(--r-sm);
  white-space: nowrap;
}
.badge-ok     { color: var(--ok);     border-color: var(--ok);     background: var(--ok-bg); }
.badge-danger { color: var(--danger); border-color: var(--danger); background: var(--danger-bg); }
.badge-muted  { color: var(--ink-mute); border-color: var(--line-neutral); background: transparent; }

/* Status dot — never rely on colour alone, so it always sits beside a word. */
.badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.badge-nodot::before { display: none; }

/* --- Empty / loading / error states --------------------------------------- */

.state {
  display: grid;
  place-items: center;
  text-align: center;
  gap: var(--s-4);
  padding: clamp(2.5rem, 6vw, 5rem) var(--s-6);
  border: 1px dashed var(--line);
  background: var(--surface-1);
  color: var(--ink-mute);
}
.state-icon {
  width: 3rem; height: 3rem;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--gold);
}
.state h2,
.state h3 {
  font-family: var(--display);
  font-size: var(--t-d4);
  font-weight: 500;
  color: var(--ink);
  line-height: var(--lh-snug);
}
.state p { max-width: 42ch; font-size: var(--t-sm); }
.state-actions { display: flex; gap: var(--s-3); flex-wrap: wrap; justify-content: center; margin-top: var(--s-2); }

/* --- Modal ---------------------------------------------------------------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: var(--scrim);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: var(--s-5);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }

.modal {
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  box-shadow: var(--sh-lg);
  width: min(52rem, 100%);
  max-height: min(88vh, 60rem);
  display: flex;
  flex-direction: column;
  transform: translateY(16px) scale(0.985);
  transition: transform var(--dur) var(--ease-out);
}
.modal-backdrop.open .modal { transform: none; }
.modal-sm { width: min(30rem, 100%); }
.modal-lg { width: min(68rem, 100%); }

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-5);
  padding: var(--s-6) var(--s-6) var(--s-5);
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.modal-title {
  font-family: var(--display);
  font-size: var(--t-d4);
  font-weight: 500;
  line-height: var(--lh-snug);
  color: var(--ink);
}
.modal-sub { font-size: var(--t-xs); color: var(--ink-mute); margin-top: var(--s-1); }
.modal-body { padding: var(--s-6); overflow-y: auto; flex: 1; }
.modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: var(--s-3);
  padding: var(--s-5) var(--s-6);
  border-top: 1px solid var(--line);
  background: var(--surface-1);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.modal-close {
  width: 2.25rem; height: 2.25rem;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-mute);
  flex-shrink: 0;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.modal-close:hover { color: var(--gold); border-color: var(--gold); transform: rotate(90deg); }

body.no-scroll { overflow: hidden; }

@media (max-width: 640px) {
  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal, .modal-sm, .modal-lg { width: 100%; max-height: 92vh; }
}

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

.toast-stack {
  position: fixed;
  right: var(--s-5);
  bottom: var(--s-5);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  pointer-events: none;
  max-width: min(24rem, calc(100vw - 2.5rem));
}
.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  background: var(--surface-3);
  border: 1px solid var(--line-neutral);
  border-left: 3px solid var(--gold);
  box-shadow: var(--sh-md);
  font-size: var(--t-sm);
  color: var(--ink);
  animation: toast-in var(--dur) var(--ease-out);
}
.toast.leaving { animation: toast-out var(--dur) var(--ease) forwards; }
.toast-ok     { border-left-color: var(--ok); }
.toast-error  { border-left-color: var(--danger); }
.toast-warn   { border-left-color: var(--warn); }
.toast-icon   { flex-shrink: 0; margin-top: 1px; color: var(--gold); }
.toast-ok .toast-icon    { color: var(--ok); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warn .toast-icon  { color: var(--warn); }
.toast-msg { flex: 1; line-height: 1.45; }
.toast-dismiss { color: var(--ink-faint); flex-shrink: 0; line-height: 1; }
.toast-dismiss:hover { color: var(--ink); }

@keyframes toast-in  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to   { opacity: 0; transform: translateX(16px); } }

@media (max-width: 640px) {
  .toast-stack { left: var(--s-4); right: var(--s-4); bottom: var(--s-4); max-width: none; }
}

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

.field { display: flex; flex-direction: column; gap: var(--s-2); margin-bottom: var(--s-5); }
.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: var(--s-5);
}
.field label {
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.field-hint { font-size: var(--t-2xs); color: var(--ink-faint); line-height: 1.5; }
.field-req { color: var(--gold); margin-left: 2px; }

.input, .select, .textarea {
  width: 100%;
  padding: var(--s-3) var(--s-4);
  background: var(--bg);
  border: 1px solid var(--line-neutral);
  border-radius: var(--r-sm);
  color: var(--ink);
  font-size: var(--t-sm);
  font-weight: 300;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-faint); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--line-strong); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--surface-1);
}
.textarea { resize: vertical; min-height: 6rem; line-height: 1.6; }
.select {
  appearance: none;
  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='%239a958c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--s-4) center;
  padding-right: var(--s-10);
  cursor: pointer;
}
.select option { background: var(--surface-2); color: var(--ink); }

/* Invalid state pairs colour with a message, never colour alone. */
.field.invalid .input,
.field.invalid .select,
.field.invalid .textarea { border-color: var(--danger); }
.field-error {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--t-2xs);
  color: var(--danger);
  font-weight: 500;
}

/* Switch */
.switch { display: inline-flex; align-items: center; gap: var(--s-3); cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track {
  width: 2.75rem; height: 1.5rem;
  background: var(--surface-4);
  border: 1px solid var(--line-neutral);
  border-radius: var(--r-pill);
  position: relative;
  flex-shrink: 0;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.switch-track::after {
  content: '';
  position: absolute;
  top: 50%; left: 3px;
  transform: translateY(-50%);
  width: 1rem; height: 1rem;
  background: var(--ink-faint);
  border-radius: 50%;
  transition: transform var(--dur) var(--ease-out), background var(--dur) var(--ease);
}
.switch input:checked + .switch-track { background: var(--gold-soft); border-color: var(--gold); }
.switch input:checked + .switch-track::after { transform: translate(1.2rem, -50%); background: var(--gold); }
.switch input:focus-visible + .switch-track { outline: var(--focus-ring); outline-offset: var(--focus-offset); }
.switch-label { font-size: var(--t-sm); }

/* Checkbox */
.checkbox { display: inline-flex; align-items: center; gap: var(--s-3); cursor: pointer; }
.checkbox input { width: 1rem; height: 1rem; accent-color: var(--gold); cursor: pointer; }