/* ════════════════════════════════════════════════════════════════
   AICRAM STUDIO — SHARED COMPONENTS
   Buttons, badges, forms, modal, toast, state blocks, skeletons.
   Used identically by the public site and the staff panel.
   ════════════════════════════════════════════════════════════════ */

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  height: 48px; padding: 0 var(--s-6);
  font-family: var(--f-sans); font-size: 12px; font-weight: 500;
  letter-spacing: 1.2px; text-transform: uppercase;
  border-radius: 100px; cursor: pointer; white-space: nowrap;
  transition: all 0.35s var(--ease-spring);
}
.btn-sm { height: 36px; padding: 0 var(--s-4); font-size: 11px; letter-spacing: 0.8px; }
.btn-lg { height: 54px; padding: 0 var(--s-8); }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:not(:disabled):hover { background: var(--c-accent-l); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(184, 137, 106, 0.4); }
.btn-dark { background: var(--c-dark); color: #fff; }
.btn-dark:not(:disabled):hover { background: var(--c-accent); transform: translateY(-2px); }
.btn-outline { background: var(--c-surface); border: 1px solid var(--c-border); color: var(--c-text-2); }
.btn-outline:not(:disabled):hover { border-color: var(--c-accent); color: var(--c-accent); }
.btn-ghost { background: transparent; color: var(--c-text-2); }
.btn-ghost:not(:disabled):hover { background: var(--c-bg-2); color: var(--c-dark); }
.btn-success { background: rgba(74,124,89,.1); color: var(--c-success); border: 1px solid rgba(74,124,89,.22); }
.btn-success:not(:disabled):hover { background: var(--c-success); color: #fff; }
.btn-danger { background: rgba(166,64,50,.08); color: var(--c-error); border: 1px solid rgba(166,64,50,.18); }
.btn-danger:not(:disabled):hover { background: var(--c-error); color: #fff; }
.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--r-sm); }

/* button spinner */
.btn .spin { width: 15px; height: 15px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Badges / pills ───────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 11px; border-radius: 100px; font-size: 11px; font-weight: 500; white-space: nowrap; }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; background: currentColor; }
.badge-pending  { background: rgba(184,137,106,.13); color: var(--c-accent); }
.badge-info     { background: rgba(46,107,138,.12);  color: var(--c-info); }
.badge-done     { background: rgba(74,124,89,.13);   color: var(--c-success); }
.badge-cancelled{ background: rgba(166,64,50,.1);    color: var(--c-error); }
.badge-gold     { background: rgba(201,169,98,.16);  color: var(--c-warning); }

/* ── Forms ────────────────────────────────────────────────────── */
.field { margin-bottom: var(--s-5); }
.field-label { display: block; font-size: 10px; font-weight: 500; letter-spacing: 1.8px; text-transform: uppercase; color: var(--c-text-3); margin-bottom: var(--s-2); }
.input, .select, .textarea {
  width: 100%; min-height: 48px; padding: 12px var(--s-4);
  border: 1px solid var(--c-border); border-radius: var(--r-md);
  background: var(--c-surface); color: var(--c-text-1);
  font-family: var(--f-sans); font-size: 14px; font-weight: 300;
  transition: all 0.25s var(--ease-silk); appearance: none;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(184,137,106,.12); outline: none; }
.textarea { resize: vertical; min-height: 84px; line-height: 1.6; }
.select-wrap { position: relative; }
.select-wrap::after { content: '▾'; position: absolute; right: var(--s-4); top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--c-text-3); font-size: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
@media (max-width: 480px) { .field-row { grid-template-columns: 1fr; } }
.field-hint { font-size: 12px; color: var(--c-text-3); margin-top: 6px; }
.field-error { font-size: 12px; color: var(--c-error); margin-top: 6px; display: none; }
.field.invalid .input, .field.invalid .select, .field.invalid .textarea { border-color: var(--c-error); }
.field.invalid .field-error { display: block; }

/* ── Modal (shared shell) ─────────────────────────────────────── */
.overlay {
  position: fixed; inset: 0; z-index: 3000;
  background: rgba(26,24,20,.78); backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center; padding: var(--s-5);
  opacity: 0; visibility: hidden; transition: all 0.35s var(--ease-spring);
}
.overlay.open { opacity: 1; visibility: visible; }
.sheet {
  background: var(--c-surface); border-radius: var(--r-xl);
  width: 100%; max-width: 520px; max-height: 92vh; overflow-y: auto;
  transform: translateY(24px) scale(.96); transition: transform 0.4s var(--ease-spring);
  box-shadow: var(--shadow-lg);
}
.overlay.open .sheet { transform: translateY(0) scale(1); }
.sheet-head { padding: var(--s-6); border-bottom: 1px solid var(--c-border); display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s-4); }
.sheet-body { padding: var(--s-6); }
.sheet-foot { padding: var(--s-5) var(--s-6); border-top: 1px solid var(--c-border); }
.icon-btn-close {
  width: 38px; height: 38px; flex-shrink: 0; border-radius: 50%;
  background: var(--c-bg); border: 1px solid var(--c-border); color: var(--c-text-2);
  display: flex; align-items: center; justify-content: center; transition: all 0.25s;
}
.icon-btn-close:hover { background: var(--c-error); border-color: var(--c-error); color: #fff; }
@media (max-width: 540px) {
  .overlay { padding: 0; align-items: flex-end; }
  .sheet { max-width: 100%; max-height: 96vh; border-radius: var(--r-xl) var(--r-xl) 0 0; }
}

/* ── Toasts ───────────────────────────────────────────────────── */
.toasts { position: fixed; bottom: var(--s-6); right: var(--s-6); z-index: 9000; display: flex; flex-direction: column; gap: var(--s-2); pointer-events: none; }
.toast {
  display: flex; align-items: center; gap: var(--s-3);
  background: var(--c-dark); color: #fff; padding: 13px 18px;
  border-radius: var(--r-md); font-size: 13px; max-width: 360px;
  box-shadow: var(--shadow-md); pointer-events: all;
  animation: toastIn 0.4s var(--ease-spring);
}
.toast.out { animation: toastOut 0.3s var(--ease-silk) forwards; }
.toast .undo { margin-left: var(--s-2); color: var(--c-gold); font-weight: 500; text-decoration: underline; cursor: pointer; }
.toast-success { border-left: 3px solid var(--c-success); }
.toast-error   { border-left: 3px solid var(--c-error); }
.toast-info    { border-left: 3px solid var(--c-info); }
@keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(40px); } }
@media (max-width: 540px) { .toasts { left: var(--s-4); right: var(--s-4); bottom: var(--s-4); } .toast { max-width: none; } }

/* ── State blocks: loading / empty / error ────────────────────── */
.state { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: var(--s-12) var(--s-6); gap: var(--s-3); }
.state-icon {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 26px;
  background: var(--c-bg-2);
}
.state-error .state-icon { background: rgba(166,64,50,.1); }
.state h4 { font-size: 22px; }
.state p { font-size: 14px; color: var(--c-text-2); max-width: 360px; }
.state .demo-tag {
  font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--c-text-3); border: 1px solid var(--c-border); border-radius: 100px;
  padding: 3px 10px; margin-top: var(--s-2);
}

/* spinner */
.spinner { width: 44px; height: 44px; border: 3px solid var(--c-border-2); border-top-color: var(--c-accent); border-radius: 50%; animation: spin 0.9s linear infinite; }

/* ── Skeletons ────────────────────────────────────────────────── */
.skel { background: linear-gradient(90deg, var(--c-bg-2) 25%, var(--c-bg) 50%, var(--c-bg-2) 75%); background-size: 200% 100%; animation: skel 1.4s ease infinite; border-radius: 6px; }
@keyframes skel { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── Segmented control ────────────────────────────────────────── */
.segmented { display: inline-flex; background: var(--c-bg-2); border-radius: var(--r-md); padding: 4px; gap: 4px; }
.segmented button { padding: 8px 16px; font-size: 12px; border-radius: calc(var(--r-md) - 4px); color: var(--c-text-2); transition: all 0.25s var(--ease-silk); }
.segmented button.active { background: var(--c-surface); color: var(--c-dark); box-shadow: var(--shadow-sm); }