/* ============================================================
   Gifting App — Component styles
   ============================================================ */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-weight: var(--w-semibold); font-size: 15px;
  line-height: 1; min-height: 44px; padding: 0 18px;
  border-radius: var(--r-md); border: 1px solid transparent;
  cursor: pointer; white-space: nowrap; user-select: none;
  transition: background var(--dur-micro) var(--ease), box-shadow var(--dur) var(--ease),
              transform var(--dur-micro) var(--ease), border-color var(--dur-micro) var(--ease), color var(--dur-micro);
}
.btn:active { transform: scale(.975); }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn svg { width: 18px; height: 18px; }

.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 1px 2px rgba(199,70,29,.25); }
.btn-primary:hover { background: var(--accent-600); box-shadow: 0 8px 22px rgba(232,90,44,.30); }

.btn-secondary { background: var(--surface-0); color: var(--ink-900); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-1); border-color: var(--ink-400); }

.btn-dark { background: var(--ink-900); color: var(--on-dark); }
.btn-dark:hover { background: #322a20; }

.btn-ghost { background: transparent; color: var(--ink-700); }
.btn-ghost:hover { background: var(--surface-1); }

.btn-text { background: transparent; color: var(--accent-700); min-height: auto; padding: 6px 4px; }
.btn-text:hover { text-decoration: underline; box-shadow: none; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #a8312666; background: #A53024; }

.btn-sm { min-height: 36px; font-size: 14px; padding: 0 13px; border-radius: var(--r-sm); }
.btn-sm svg { width: 16px; height: 16px; }
.btn-lg { min-height: 52px; font-size: 16px; padding: 0 26px; }
.btn-block { width: 100%; }
.btn[disabled], .btn.is-disabled { opacity: .5; pointer-events: none; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--r-sm);
  background: transparent; border: 1px solid transparent; color: var(--ink-500);
  cursor: pointer; transition: background var(--dur-micro), color var(--dur-micro), border-color var(--dur-micro);
}
.icon-btn:hover { background: var(--surface-1); color: var(--ink-900); }
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn.danger:hover { background: var(--danger-tint); color: var(--danger); }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.label { font-size: 13px; font-weight: var(--w-semibold); color: var(--ink-700); }
.label .req { color: var(--accent-700); margin-left: 2px; }
.optional { font-weight: var(--w-regular); color: var(--ink-400); font-size: 12px; }
.helper { font-size: 12px; color: var(--ink-500); }
.error-text { font-size: 12px; color: var(--danger); display: flex; align-items: center; gap: 4px; }
.error-text svg { width: 13px; height: 13px; }

.input, .textarea, .select {
  font-family: var(--font-sans); font-size: 15px; color: var(--ink-900);
  background: var(--surface-0); border: 1px solid var(--border-strong);
  border-radius: var(--r-md); padding: 0 14px; height: 48px; width: 100%;
  transition: border-color var(--dur-micro), box-shadow var(--dur-micro), background var(--dur-micro);
}
.textarea { height: auto; padding: 12px 14px; line-height: 1.5; resize: vertical; min-height: 88px; }
.input::placeholder, .textarea::placeholder { color: var(--ink-400); }
.input:hover, .textarea:hover, .select:hover { border-color: var(--ink-400); }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.input.error, .textarea.error, .select.error { border-color: var(--danger); background: var(--danger-tint); }
.input.sm { height: 40px; font-size: 14px; }
.input:disabled { background: var(--surface-1); color: var(--ink-400); cursor: not-allowed; }

.input-group { position: relative; display: flex; align-items: center; }
.input-group .ig-icon { position: absolute; left: 13px; color: var(--ink-400); display: flex; pointer-events: none; }
.input-group .ig-icon svg { width: 17px; height: 17px; }
.input-group .input { padding-left: 38px; }
.input-affix { position: absolute; right: 13px; color: var(--ink-400); font-size: 13px; }

.select { appearance: none; cursor: pointer;
  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='%239A8F7E' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center; padding-right: 38px;
}

/* checkbox / radio */
.check, .radio { display: inline-flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 14px; color: var(--ink-700); line-height: 1.4; }
.check input, .radio input { position: absolute; opacity: 0; width: 0; height: 0; }
.check .box, .radio .box {
  width: 20px; height: 20px; flex: none; border-radius: var(--r-sm); border: 1.5px solid var(--border-strong);
  background: var(--surface-0); display: flex; align-items: center; justify-content: center; margin-top: 1px;
  transition: all var(--dur-micro);
}
.check .box svg { width: 13px; height: 13px; color: #fff; opacity: 0; transform: scale(.6); transition: all var(--dur-micro); }
.check input:checked + .box { background: var(--accent); border-color: var(--accent); }
.check input:checked + .box svg { opacity: 1; transform: none; }
.check input:focus-visible + .box { box-shadow: var(--ring); }
.radio .box { border-radius: 999px; }
.radio .box::after { content: ''; width: 9px; height: 9px; border-radius: 999px; background: var(--accent); opacity: 0; transform: scale(.4); transition: all var(--dur-micro); }
.radio input:checked + .box { border-color: var(--accent); }
.radio input:checked + .box::after { opacity: 1; transform: none; }
.radio input:focus-visible + .box { box-shadow: var(--ring); }

/* toggle */
.toggle { position: relative; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px; color: var(--ink-700); }
.toggle input { position: absolute; opacity: 0; }
.toggle .track { width: 42px; height: 24px; border-radius: 999px; background: var(--border-strong); position: relative; transition: background var(--dur); flex: none; }
.toggle .track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 999px; background: #fff; box-shadow: var(--shadow-sm); transition: transform var(--dur) var(--ease); }
.toggle input:checked + .track { background: var(--accent); }
.toggle input:checked + .track::after { transform: translateX(18px); }
.toggle input:focus-visible + .track { box-shadow: var(--ring); }

/* segmented */
.segmented { display: inline-flex; background: var(--surface-1); border-radius: var(--r-md); padding: 3px; gap: 2px; }
.segmented button { border: none; background: transparent; font-family: var(--font-sans); font-weight: var(--w-semibold); font-size: 13px; color: var(--ink-500); padding: 7px 14px; border-radius: var(--r-sm); cursor: pointer; transition: all var(--dur-micro); }
.segmented button.active { background: var(--surface-0); color: var(--ink-900); box-shadow: var(--shadow-sm); }

/* chips (multi-select) */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--r-pill); border: 1px solid var(--border-strong); background: var(--surface-0); font-size: 13px; font-weight: var(--w-medium); color: var(--ink-700); cursor: pointer; transition: all var(--dur-micro); }
.chip:hover { border-color: var(--ink-400); }
.chip.active { background: var(--accent-tint); border-color: var(--accent); color: var(--accent-700); }
.chip.active svg { color: var(--accent-700); }

/* ---------- Cards ---------- */
.card { background: var(--surface-0); border-radius: var(--r-lg); box-shadow: var(--shadow); }
.card.bordered { box-shadow: none; border: 1px solid var(--border); }
.card.pad { padding: var(--s-6); }
.card-hover { transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease); cursor: pointer; }
.card-hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* ---------- Pills / badges ---------- */
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 4px 11px; border-radius: var(--r-pill); font-size: 12px; font-weight: var(--w-semibold); line-height: 1.4; white-space: nowrap; }
.pill svg { width: 12px; height: 12px; }
.pill-neutral { background: var(--surface-2); color: var(--ink-600); }
.pill-accent  { background: var(--accent-100); color: var(--accent-700); }
.pill-success { background: var(--success-100); color: var(--success); }
.pill-danger  { background: var(--danger-100); color: var(--danger); }
.pill-warning { background: var(--warning-100); color: #8a5f0f; }
.pill-info    { background: var(--info-100); color: var(--info); }
.pill-gold    { background: var(--gold-100); color: #7d5e1c; }
.pill-dot { width: 7px; height: 7px; border-radius: 999px; background: currentColor; }

/* ---------- Banners / alerts ---------- */
.banner { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--r-md); font-size: 14px; line-height: 1.5; align-items: flex-start; }
.banner .b-icon { flex: none; margin-top: 1px; }
.banner .b-icon svg { width: 18px; height: 18px; }
.banner strong { color: inherit; font-weight: var(--w-bold); }
.banner-info    { background: var(--info-tint); color: #244a86; border: 1px solid var(--info-100); }
.banner-info .b-icon { color: var(--info); }
.banner-success { background: var(--success-tint); color: #1d5c3c; border: 1px solid var(--success-100); }
.banner-success .b-icon { color: var(--success); }
.banner-warning { background: var(--warning-tint); color: #7c560f; border: 1px solid var(--warning-100); }
.banner-warning .b-icon { color: var(--warning); }
.banner-danger  { background: var(--danger-tint); color: #8f2a20; border: 1px solid var(--danger-100); }
.banner-danger .b-icon { color: var(--danger); }
.banner-accent  { background: var(--accent-tint); color: var(--accent-700); border: 1px solid var(--accent-100); }
.banner-accent .b-icon { color: var(--accent-700); }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 10px; z-index: 1200; align-items: center; }
.toast { display: flex; align-items: center; gap: 10px; background: var(--ink-900); color: var(--on-dark); padding: 12px 18px; border-radius: var(--r-pill); box-shadow: var(--shadow-lg); font-size: 14px; font-weight: var(--w-medium); animation: fadeUp var(--dur) var(--ease); }
.toast svg { width: 17px; height: 17px; }
.toast .ok { color: #6BD79C; } .toast .bad { color: #F0917F; }

/* ---------- Modal / drawer / scrim ---------- */
.scrim { position: absolute; inset: 0; background: rgba(30,26,21,.46); display: flex; align-items: center; justify-content: center; z-index: 1000; animation: fadeIn var(--dur) var(--ease); padding: 24px; }
.modal { background: var(--surface-0); border-radius: var(--r-xl); box-shadow: var(--shadow-lg); width: 100%; max-width: 560px; max-height: 90%; overflow: auto; animation: fadeUp var(--dur-page) var(--ease); }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; padding: 24px 24px 0; }
.modal-body { padding: 16px 24px 24px; }
.modal-foot { display: flex; gap: 10px; justify-content: flex-end; padding: 16px 24px 24px; }

.drawer-scrim { position: absolute; inset: 0; background: rgba(30,26,21,.40); z-index: 1000; animation: fadeIn var(--dur) var(--ease); }
.drawer { position: absolute; top: 0; right: 0; bottom: 0; width: 480px; max-width: 92%; background: var(--surface-0); box-shadow: var(--shadow-lg); z-index: 1001; display: flex; flex-direction: column; animation: drawerIn var(--dur-page) var(--ease); }
@keyframes drawerIn { from { transform: translateX(24px); opacity: .6; } to { transform: none; opacity: 1; } }
.drawer-head { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; }
.drawer-body { flex: 1; overflow: auto; padding: 22px; }
.drawer-foot { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; background: var(--surface-0); }

/* ---------- Stepper / progress ---------- */
.stepper { display: flex; align-items: center; gap: 10px; }
.stepper .step { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: var(--w-semibold); color: var(--ink-400); }
.stepper .step .num { width: 26px; height: 26px; border-radius: 999px; display: flex; align-items: center; justify-content: center; font-size: 13px; border: 1.5px solid var(--border-strong); background: var(--surface-0); color: var(--ink-400); flex: none; }
.stepper .step.active { color: var(--ink-900); }
.stepper .step.active .num { background: var(--accent); border-color: var(--accent); color: #fff; }
.stepper .step.done { color: var(--ink-700); }
.stepper .step.done .num { background: var(--success); border-color: var(--success); color: #fff; }
.stepper .bar { width: 30px; height: 2px; background: var(--border-strong); border-radius: 2px; }
.stepper .bar.done { background: var(--success); }

.progress { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width var(--dur-page) var(--ease); }
.progress.gradient > i { background: linear-gradient(90deg, var(--accent), var(--gold)); }

/* ---------- Skeleton ---------- */
.sk { background: linear-gradient(90deg, var(--surface-1) 25%, var(--surface-2) 50%, var(--surface-1) 75%); background-size: 800px 100%; animation: shimmer 1.4s infinite linear; border-radius: var(--r-sm); }
.sk-line { height: 12px; border-radius: 999px; }
.sk-circle { border-radius: 999px; }

/* ---------- Empty state ---------- */
.empty { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 56px 24px; }
.empty .art { width: 96px; height: 96px; border-radius: var(--r-lg); background: var(--surface-1); display: flex; align-items: center; justify-content: center; color: var(--accent-300); margin-bottom: 20px; }
.empty .art svg { width: 42px; height: 42px; }
.empty h3 { font-family: var(--font-serif); font-size: 22px; font-weight: var(--w-semibold); margin-bottom: 6px; }
.empty p { color: var(--ink-500); max-width: 340px; margin: 0 0 20px; }

/* ---------- Quantity stepper ---------- */
.qty { display: inline-flex; align-items: center; border: 1px solid var(--border-strong); border-radius: var(--r-md); overflow: hidden; height: 40px; }
.qty button { width: 38px; height: 100%; border: none; background: var(--surface-0); color: var(--ink-700); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background var(--dur-micro); }
.qty button:hover { background: var(--surface-1); }
.qty button svg { width: 15px; height: 15px; }
.qty .val { width: 38px; text-align: center; font-weight: var(--w-semibold); font-size: 15px; color: var(--ink-900); font-variant-numeric: tabular-nums; }

/* ---------- Avatar ---------- */
.avatar { width: 36px; height: 36px; border-radius: 999px; background: var(--accent-100); color: var(--accent-700); display: inline-flex; align-items: center; justify-content: center; font-weight: var(--w-bold); font-size: 13px; flex: none; }
.avatar.sq { border-radius: var(--r-sm); }
.avatar.lg { width: 48px; height: 48px; font-size: 16px; }

/* product thumb */
.thumb { border-radius: var(--r-md); background: var(--surface-1); object-fit: cover; flex: none; display: flex; align-items: center; justify-content: center; color: var(--accent-300); overflow: hidden; position: relative; }
.thumb svg { width: 42%; height: 42%; }

/* tooltip */
.tip { position: relative; display: inline-flex; }
.tip .tip-body { position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); background: var(--ink-900); color: var(--on-dark); font-size: 12px; font-weight: var(--w-medium); padding: 7px 10px; border-radius: var(--r-sm); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity var(--dur-micro); box-shadow: var(--shadow-md); z-index: 50; max-width: 240px; white-space: normal; width: max-content; }
.tip:hover .tip-body { opacity: 1; }
.tip .tip-body::after { content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); border: 5px solid transparent; border-top-color: var(--ink-900); }

/* divider */
.hr { height: 1px; background: var(--border); border: none; margin: 0; }
.vr { width: 1px; align-self: stretch; background: var(--border); }

/* table */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; font-size: 12px; font-weight: var(--w-bold); letter-spacing: .04em; text-transform: uppercase; color: var(--ink-500); padding: 12px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl td { padding: 14px; border-bottom: 1px solid var(--border); color: var(--ink-700); vertical-align: middle; }
.tbl tbody tr { transition: background var(--dur-micro); }
.tbl tbody tr:hover { background: var(--surface-1); }
.tbl.zebra tbody tr:nth-child(even) { background: rgba(246,241,233,.5); }
.tbl.zebra tbody tr:nth-child(even):hover { background: var(--surface-1); }