/* ============================================================================
   WaifuCash Modern Components
   ============================================================================
   Reusable, tokenized UI primitives. Import AFTER modern-tokens.css.
   Every component binds to design tokens only (no raw hex), so light/dark and
   future themes are a token swap. Markup that ships with these classes should
   carry data-i18n keys for all human text.
   ============================================================================ */

/* ===========================================================================
   SECTION HEAD (eyebrow + gradient h2 + lead)
   =========================================================================== */
.section-head { max-width: 46rem; margin-bottom: var(--space-2xl); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .t-eyebrow { display: block; margin-bottom: var(--space-sm); }
.section-head h2, .section-head .h-2 { margin: 0 0 var(--space-sm); }
.section-head p { margin: 0; color: var(--c-text-muted); font-size: var(--text-lead); line-height: var(--leading-relaxed); }

/* ===========================================================================
   FORM / INPUT SYSTEM
   =========================================================================== */
.field { display: flex; flex-direction: column; gap: var(--space-2xs); margin-bottom: var(--space-md); }
.field-label {
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--c-text-muted); display: inline-flex; align-items: center; gap: var(--space-2xs);
}
.field-label .req { color: var(--c-accent); }

.input, .textarea, .select {
  width: 100%; font-family: var(--font-body); font-size: var(--text-body);
  color: var(--c-text); background: oklch(100% 0 0 / 0.04);
  border: 1px solid var(--c-border-strong); border-radius: var(--r-md);
  padding: 0.75rem 0.95rem; transition: border-color var(--t-fast) var(--ease-out-expo),
    box-shadow var(--t-fast) var(--ease-out-expo), background var(--t-fast) var(--ease-out-expo);
  -webkit-appearance: none; appearance: none; min-width: 0;
}
:root[data-theme="light"] .input,
:root[data-theme="light"] .textarea,
:root[data-theme="light"] .select { background: oklch(100% 0 0 / 0.7); }
.input::placeholder, .textarea::placeholder { color: var(--c-text-faded); }
.input:hover, .textarea:hover, .select:hover { border-color: var(--c-border-accent); }
.input:focus, .textarea:focus, .select:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-border-accent);
}
.input:disabled, .textarea:disabled, .select:disabled { opacity: 0.5; cursor: not-allowed; }
.textarea { resize: vertical; min-height: 6rem; line-height: var(--leading-normal); }
.input.input-pill { border-radius: var(--r-pill); }
.select {
  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='%23999' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.4rem;
}

/* invalid state */
.field.is-invalid .input, .field.is-invalid .textarea, .field.is-invalid .select { border-color: var(--c-danger); }
.field-help { font-size: var(--text-xs); color: var(--c-text-faded); }
.field-error { font-size: var(--text-xs); color: var(--c-danger); display: none; }
.field.is-invalid .field-error { display: block; }

/* input group with leading/trailing addon */
.input-group { display: flex; align-items: stretch; gap: var(--space-2xs); }
.input-group .input { flex: 1; }
.input-affix {
  display: inline-flex; align-items: center; padding: 0 0.75rem;
  font-family: var(--font-mono); font-size: var(--text-sm); color: var(--c-text-muted);
  background: oklch(100% 0 0 / 0.04); border: 1px solid var(--c-border-strong); border-radius: var(--r-md);
}

/* char counter */
.field-counter { align-self: flex-end; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--c-text-faded); }
.field-counter.over { color: var(--c-danger); }

/* checkbox + radio */
.check { display: inline-flex; align-items: flex-start; gap: var(--space-xs); cursor: pointer; font-size: var(--text-sm); color: var(--c-text-soft); }
.check input { appearance: none; width: 1.15rem; height: 1.15rem; flex: none; margin-top: 0.1rem;
  border: 1.5px solid var(--c-border-strong); background: oklch(100% 0 0 / 0.04);
  transition: background var(--t-fast), border-color var(--t-fast); }
.check input[type="checkbox"] { border-radius: var(--r-sm); }
.check input[type="radio"] { border-radius: 50%; }
.check input:checked { background: var(--c-accent); border-color: var(--c-accent); }
.check input[type="checkbox"]:checked {
  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='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}
.check input:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

/* toggle switch */
.switch { position: relative; display: inline-flex; align-items: center; gap: var(--space-xs); cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track { width: 42px; height: 24px; border-radius: var(--r-pill); background: oklch(100% 0 0 / 0.12);
  border: 1px solid var(--c-border-strong); transition: background var(--t-fast); position: relative; flex: none; }
.switch .track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--c-text); transition: transform var(--t-fast) var(--ease-spring); }
.switch input:checked + .track { background: var(--g-accent); border-color: transparent; }
.switch input:checked + .track::after { transform: translateX(18px); background: #fff; }
.switch input:focus-visible + .track { outline: 2px solid var(--c-accent); outline-offset: 2px; }

/* range slider */
.range { width: 100%; appearance: none; height: 6px; border-radius: var(--r-pill);
  background: oklch(100% 0 0 / 0.12); outline: none; }
.range::-webkit-slider-thumb { appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--c-accent); box-shadow: var(--shadow-glow-pink); cursor: pointer; }
.range::-moz-range-thumb { width: 18px; height: 18px; border: none; border-radius: 50%;
  background: var(--c-accent); cursor: pointer; }

/* ===========================================================================
   TOOLTIP / INFO-HINT (tap + keyboard friendly)
   =========================================================================== */
.info-hint {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.05rem; height: 1.05rem; flex: none; vertical-align: middle; margin-left: 0.25rem;
  border-radius: 50%; border: 1px solid var(--c-border-strong);
  background: oklch(100% 0 0 / 0.05); color: var(--c-text-muted);
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 700; line-height: 1; cursor: help;
  position: relative; padding: 0; transition: color var(--t-fast), border-color var(--t-fast);
}
.info-hint:hover, .info-hint:focus-visible { color: var(--c-text); border-color: var(--c-accent); outline: none; }
.info-hint__pop {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(4px);
  width: max-content; max-width: 16rem; padding: 0.6rem 0.75rem; z-index: var(--z-tooltip);
  background: var(--c-surface-3); color: var(--c-text-soft); border: 1px solid var(--c-border-strong);
  border-radius: var(--r-md); box-shadow: var(--shadow-card-hover);
  font-family: var(--font-body); font-size: var(--text-xs); line-height: var(--leading-normal);
  letter-spacing: normal; text-transform: none; text-align: left; white-space: normal;
  opacity: 0; pointer-events: none; transition: opacity var(--t-fast), transform var(--t-fast);
}
.info-hint__pop::after { content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--c-surface-3); }
.info-hint:hover .info-hint__pop, .info-hint:focus .info-hint__pop, .info-hint:focus-within .info-hint__pop {
  opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0);
}
@media (max-width: 560px) {
  .info-hint__pop { position: fixed; left: 1rem; right: 1rem; bottom: auto; transform: none; max-width: none; width: auto; }
  .info-hint__pop::after { display: none; }
}

/* ===========================================================================
   CALLOUT / INLINE ALERT / BANNER
   =========================================================================== */
.callout {
  display: flex; gap: var(--space-sm); align-items: flex-start;
  padding: var(--space-md) var(--space-lg); border-radius: var(--r-md);
  border: 1px solid var(--c-border); background: oklch(100% 0 0 / 0.03);
  font-size: var(--text-sm); line-height: var(--leading-normal); color: var(--c-text-soft);
}
.callout__icon { flex: none; width: 1.25rem; height: 1.25rem; margin-top: 0.05rem; }
.callout__icon svg { width: 100%; height: 100%; }
.callout__body { min-width: 0; }
.callout strong, .callout b { color: var(--c-text); }
.callout--info { border-color: color-mix(in oklch, var(--c-info) 35%, transparent); background: color-mix(in oklch, var(--c-info) 9%, transparent); }
.callout--info .callout__icon { color: var(--c-info); }
.callout--success { border-color: color-mix(in oklch, var(--c-success) 35%, transparent); background: color-mix(in oklch, var(--c-success) 9%, transparent); }
.callout--success .callout__icon { color: var(--c-success); }
.callout--warning { border-color: color-mix(in oklch, var(--c-warning) 35%, transparent); background: color-mix(in oklch, var(--c-warning) 9%, transparent); }
.callout--warning .callout__icon { color: var(--c-warning); }
.callout--danger { border-color: color-mix(in oklch, var(--c-danger) 35%, transparent); background: color-mix(in oklch, var(--c-danger) 9%, transparent); }
.callout--danger .callout__icon { color: var(--c-danger); }

/* ===========================================================================
   TOAST (driven by WaifuUI.toast in modern-shell.js)
   =========================================================================== */
.toast-stack {
  position: fixed; top: calc(env(safe-area-inset-top, 0) + 1rem); right: 1rem;
  z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--space-xs);
  max-width: min(360px, calc(100vw - 2rem)); pointer-events: none;
}
.toast {
  display: flex; align-items: flex-start; gap: var(--space-sm);
  padding: 0.85rem 1rem; border-radius: var(--r-md); pointer-events: auto;
  background: var(--c-surface-3); border: 1px solid var(--c-border-strong);
  box-shadow: var(--shadow-card-hover); color: var(--c-text); font-size: var(--text-sm);
  animation: toast-in var(--t-normal) var(--ease-out-expo);
}
.toast.is-leaving { animation: toast-out var(--t-fast) var(--ease-out-expo) forwards; }
.toast__icon { flex: none; width: 1.1rem; height: 1.1rem; margin-top: 0.1rem; }
.toast__icon svg { width: 100%; height: 100%; }
.toast__body { min-width: 0; flex: 1; }
.toast__close { flex: none; background: none; border: none; color: var(--c-text-muted); cursor: pointer; padding: 0; font-size: 1.1rem; line-height: 1; }
.toast--success { border-left: 3px solid var(--c-success); }
.toast--success .toast__icon { color: var(--c-success); }
.toast--error { border-left: 3px solid var(--c-danger); }
.toast--error .toast__icon { color: var(--c-danger); }
.toast--warning { border-left: 3px solid var(--c-warning); }
.toast--warning .toast__icon { color: var(--c-warning); }
.toast--info { border-left: 3px solid var(--c-info); }
.toast--info .toast__icon { color: var(--c-info); }
@keyframes toast-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(20px); } }
@media (max-width: 560px) {
  .toast-stack { left: 1rem; right: 1rem; max-width: none; }
}

/* ===========================================================================
   MODAL / DIALOG / SHEET (driven by WaifuUI.modal in modern-shell.js)
   =========================================================================== */
.modal-backdrop {
  position: fixed; inset: 0; z-index: var(--z-modal);
  display: flex; align-items: center; justify-content: center; padding: var(--space-lg);
  background: oklch(0% 0 0 / 0.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none; transition: opacity var(--t-normal) var(--ease-out-expo);
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  width: 100%; max-width: 32rem; max-height: min(90dvh, 48rem); overflow-y: auto;
  background: var(--c-surface-2); border: 1px solid var(--c-border-strong); border-radius: var(--r-lg);
  box-shadow: var(--shadow-card-hover); transform: translateY(16px) scale(0.98);
  transition: transform var(--t-normal) var(--ease-out-expo); position: relative;
}
.modal-backdrop.open .modal { transform: translateY(0) scale(1); }
.modal__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl); border-bottom: 1px solid var(--c-border); }
.modal__head h3 { margin: 0; font-family: var(--font-display); font-size: var(--text-h3); }
.modal__close { background: oklch(100% 0 0 / 0.05); border: 1px solid var(--c-border); border-radius: 50%;
  width: 2rem; height: 2rem; color: var(--c-text-muted); cursor: pointer; flex: none;
  display: inline-flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.modal__close:hover { color: var(--c-text); border-color: var(--c-accent); }
.modal__body { padding: var(--space-xl); }
.modal__foot { display: flex; gap: var(--space-sm); justify-content: flex-end; flex-wrap: wrap;
  padding: var(--space-lg) var(--space-xl); border-top: 1px solid var(--c-border); }
@media (max-width: 560px) {
  .modal-backdrop { align-items: flex-end; padding: 0; }
  .modal { max-width: none; border-radius: var(--r-lg) var(--r-lg) 0 0; max-height: 92dvh;
    transform: translateY(100%); }
  .modal-backdrop.open .modal { transform: translateY(0); }
  .modal__body { padding: var(--space-lg); }
}

/* ===========================================================================
   SKELETON LOADERS
   =========================================================================== */
.skeleton {
  position: relative; overflow: hidden; border-radius: var(--r-sm);
  background: oklch(100% 0 0 / 0.05);
}
.skeleton::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, oklch(100% 0 0 / 0.08), transparent);
  background-size: 200% 100%; animation: shimmer 1.4s linear infinite;
}
.skeleton--text { height: 0.85em; margin: 0.3em 0; border-radius: var(--r-pill); }
.skeleton--text.w-60 { width: 60%; } .skeleton--text.w-40 { width: 40%; } .skeleton--text.w-80 { width: 80%; }
.skeleton--title { height: 1.4em; width: 50%; border-radius: var(--r-sm); margin-bottom: 0.6em; }
.skeleton--card { height: 220px; border-radius: var(--r-lg); }
.skeleton--avatar { width: 40px; height: 40px; border-radius: 50%; }
.skeleton--row { height: 48px; border-radius: var(--r-md); margin-bottom: 0.5rem; }
@media (prefers-reduced-motion: reduce) { .skeleton::after { animation: none; } }

/* ===========================================================================
   EMPTY STATE / ERROR STATE
   =========================================================================== */
.empty-state {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: var(--space-sm); padding: var(--space-3xl) var(--space-lg); color: var(--c-text-muted);
}
.empty-state__icon { width: 3rem; height: 3rem; opacity: 0.7; color: var(--c-text-faded); }
.empty-state__icon svg { width: 100%; height: 100%; }
.empty-state h3 { margin: 0; font-family: var(--font-display); font-size: var(--text-h3); color: var(--c-text-soft); }
.empty-state p { margin: 0; max-width: 26rem; font-size: var(--text-sm); }
.empty-state .btn { margin-top: var(--space-sm); }
.error-state .empty-state__icon { color: var(--c-danger); }

/* ===========================================================================
   BADGES (status + rarity)
   =========================================================================== */
.badge {
  display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.25rem 0.6rem;
  border-radius: var(--r-pill); font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  letter-spacing: var(--tracking-wide); text-transform: uppercase; line-height: 1.4;
  border: 1px solid var(--c-border); background: oklch(100% 0 0 / 0.05); color: var(--c-text-soft);
}
.badge--active { color: var(--c-success); border-color: color-mix(in oklch, var(--c-success) 40%, transparent); background: color-mix(in oklch, var(--c-success) 11%, transparent); }
.badge--pending { color: var(--c-warning); border-color: color-mix(in oklch, var(--c-warning) 40%, transparent); background: color-mix(in oklch, var(--c-warning) 11%, transparent); }
.badge--completed { color: var(--c-info); border-color: color-mix(in oklch, var(--c-info) 40%, transparent); background: color-mix(in oklch, var(--c-info) 11%, transparent); }
.badge--ready { color: var(--c-accent-soft); border-color: var(--c-border-accent); background: color-mix(in oklch, var(--c-accent) 11%, transparent); }
.badge--coming-soon { color: var(--c-text-muted); }
.badge--locked { color: var(--c-text-faded); }
.badge--danger { color: var(--c-danger); border-color: color-mix(in oklch, var(--c-danger) 40%, transparent); background: color-mix(in oklch, var(--c-danger) 11%, transparent); }
/* rarity */
.badge--common { color: var(--c-rarity-common); border-color: color-mix(in oklch, var(--c-rarity-common) 40%, transparent); }
.badge--rare { color: var(--c-rarity-rare); border-color: color-mix(in oklch, var(--c-rarity-rare) 45%, transparent); background: color-mix(in oklch, var(--c-rarity-rare) 11%, transparent); }
.badge--epic { color: var(--c-rarity-epic); border-color: color-mix(in oklch, var(--c-rarity-epic) 45%, transparent); background: color-mix(in oklch, var(--c-rarity-epic) 12%, transparent); }
.badge--legendary { color: var(--c-rarity-legendary); border-color: color-mix(in oklch, var(--c-rarity-legendary) 50%, transparent); background: color-mix(in oklch, var(--c-rarity-legendary) 12%, transparent); }

/* ===========================================================================
   DATA TABLE
   =========================================================================== */
.table-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--r-lg);
  border: 1px solid var(--c-border); }
.data-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 32rem; }
.data-table thead th {
  position: sticky; top: 0; z-index: 1; text-align: left; white-space: nowrap;
  font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
  text-transform: uppercase; color: var(--c-text-muted); font-weight: 500;
  padding: 0.85rem 1rem; background: var(--c-surface-glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border-strong);
}
.data-table th.sortable { cursor: pointer; user-select: none; }
.data-table th.sortable::after { content: " \2195"; opacity: 0.4; }
.data-table th.sort-asc::after { content: " \2191"; opacity: 1; color: var(--c-accent); }
.data-table th.sort-desc::after { content: " \2193"; opacity: 1; color: var(--c-accent); }
.data-table tbody td { padding: 0.8rem 1rem; border-bottom: 1px solid var(--c-border); color: var(--c-text-soft); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background var(--t-fast); }
.data-table tbody tr:hover { background: oklch(100% 0 0 / 0.03); }
.data-table .num { font-family: var(--font-mono); text-align: right; }

/* ===========================================================================
   PROGRESS / METER
   =========================================================================== */
.progress { width: 100%; height: 8px; border-radius: var(--r-pill); overflow: hidden;
  background: oklch(100% 0 0 / 0.1); }
.progress__bar { height: 100%; border-radius: var(--r-pill); background: var(--g-accent);
  transition: width var(--t-slow) var(--ease-out-expo); }
.progress__bar.is-success { background: linear-gradient(90deg, var(--c-mint), oklch(72% 0.16 160)); }
.progress__bar.is-gold { background: var(--g-gold); }
.progress-meta { display: flex; justify-content: space-between; font-family: var(--font-mono);
  font-size: var(--text-xs); color: var(--c-text-muted); margin-top: 0.4rem; }

/* ===========================================================================
   STAT TILE (with loading / empty / error states)
   =========================================================================== */
.stat-tile { display: flex; flex-direction: column; gap: var(--space-2xs);
  padding: var(--space-lg); border: 1px solid var(--c-border); border-radius: var(--r-lg);
  background: oklch(100% 0 0 / 0.02); }
.stat-tile__value { font-family: var(--font-display); font-weight: 700; line-height: 1;
  font-size: clamp(1.6rem, 3vw, 2.5rem); letter-spacing: var(--tracking-tight); }
.stat-tile__label { display: inline-flex; align-items: center; font-family: var(--font-mono);
  font-size: var(--text-xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--c-text-muted); }
.stat-tile__trend { font-size: var(--text-xs); color: var(--c-text-faded); }
.stat-tile.is-loading .stat-tile__value { color: transparent; background: oklch(100% 0 0 / 0.07);
  border-radius: var(--r-sm); position: relative; overflow: hidden; min-height: 1em; }
.stat-tile.is-loading .stat-tile__value::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, oklch(100% 0 0 / 0.1), transparent);
  background-size: 200% 100%; animation: shimmer 1.4s linear infinite; }
.stat-tile.is-error .stat-tile__value { color: var(--c-danger); font-size: var(--text-lead); }

/* ===========================================================================
   ADDRESS CHIP (copy + explorer) + IDENTITY CHIP
   =========================================================================== */
.addr-chip { display: inline-flex; align-items: center; gap: var(--space-2xs);
  padding: 0.3rem 0.5rem 0.3rem 0.75rem; border-radius: var(--r-pill);
  border: 1px solid var(--c-border); background: oklch(100% 0 0 / 0.04);
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--c-text-soft); }
.addr-chip code { color: var(--c-cyan); }
.addr-chip__btn { display: inline-flex; align-items: center; justify-content: center; width: 1.5rem; height: 1.5rem;
  border: none; background: none; color: var(--c-text-muted); cursor: pointer; border-radius: var(--r-sm); }
.addr-chip__btn:hover { color: var(--c-text); background: oklch(100% 0 0 / 0.08); }
.addr-chip__btn svg { width: 0.85rem; height: 0.85rem; }

.identity-chip { display: inline-flex; align-items: center; gap: var(--space-xs);
  padding: 0.3rem 0.75rem 0.3rem 0.3rem; border-radius: var(--r-pill);
  border: 1px solid var(--c-border); background: oklch(100% 0 0 / 0.04); }
.identity-chip__avatar { width: 1.75rem; height: 1.75rem; border-radius: 50%; flex: none;
  background: var(--g-accent-soft); display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 0.75rem; color: var(--c-text); }
.identity-chip__name { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--c-text-soft); }
.identity-chip__verified { color: var(--c-info); width: 0.9rem; height: 0.9rem; }

/* ===========================================================================
   SEGMENTED CONTROL / FILTER CHIPS
   =========================================================================== */
.segmented { display: inline-flex; padding: 0.25rem; gap: 0.2rem; border-radius: var(--r-pill);
  background: oklch(100% 0 0 / 0.04); border: 1px solid var(--c-border); flex-wrap: wrap; }
.segmented__btn { padding: 0.45rem 1rem; border: none; background: none; border-radius: var(--r-pill);
  font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500; color: var(--c-text-muted);
  cursor: pointer; transition: color var(--t-fast), background var(--t-fast); white-space: nowrap; }
.segmented__btn:hover { color: var(--c-text); }
.segmented__btn.is-active { color: oklch(99% 0 0); background: var(--g-accent); }

.filter-chips { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.chip { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.35rem 0.8rem;
  border-radius: var(--r-pill); border: 1px solid var(--c-border-strong); background: oklch(100% 0 0 / 0.04);
  font-size: var(--text-sm); color: var(--c-text-soft); cursor: pointer; transition: border-color var(--t-fast), background var(--t-fast); }
.chip:hover { border-color: var(--c-accent); }
.chip.is-active { background: color-mix(in oklch, var(--c-accent) 12%, transparent); border-color: var(--c-border-accent); color: var(--c-text); }
.chip__remove { background: none; border: none; color: inherit; cursor: pointer; padding: 0; font-size: 1rem; line-height: 1; opacity: 0.7; }
.chip__remove:hover { opacity: 1; }

/* ===========================================================================
   NFT / ART CARD
   =========================================================================== */
.nft-card { display: flex; flex-direction: column; overflow: hidden; border-radius: var(--r-lg);
  border: 1px solid var(--c-border); background: var(--c-surface-2);
  transition: transform var(--t-normal) var(--ease-out-expo), box-shadow var(--t-normal) var(--ease-out-expo), border-color var(--t-normal) var(--ease-out-expo); }
.nft-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--c-border-accent); }
.nft-card__media { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--c-surface-1); }
.nft-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease-out-expo); }
.nft-card:hover .nft-card__media img { transform: scale(1.05); }
.nft-card__rarity { position: absolute; top: 0.6rem; left: 0.6rem; }
.nft-card__like { position: absolute; top: 0.6rem; right: 0.6rem; display: inline-flex; align-items: center; gap: 0.25rem;
  padding: 0.25rem 0.6rem; border-radius: var(--r-pill); background: oklch(0% 0 0 / 0.5); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: #fff; font-family: var(--font-mono); font-size: var(--text-xs); }
.nft-card__body { padding: var(--space-md); display: flex; flex-direction: column; gap: var(--space-2xs); }
.nft-card__title { font-family: var(--font-display); font-weight: 600; font-size: var(--text-body); margin: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nft-card__creator { font-size: var(--text-xs); color: var(--c-text-muted); }
.nft-card__meta { display: flex; align-items: center; justify-content: space-between; margin-top: var(--space-2xs); }
.nft-card__price { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--c-cyan); }
.nft-card__actions { display: flex; gap: var(--space-xs); padding: 0 var(--space-md) var(--space-md); }

/* ===========================================================================
   STEPS / STEPPER
   =========================================================================== */
.steps { display: flex; flex-direction: column; gap: var(--space-md); counter-reset: step; }
.steps.steps--row { flex-direction: row; flex-wrap: wrap; }
.step { display: flex; gap: var(--space-md); align-items: flex-start; }
.step__num { flex: none; width: 2rem; height: 2rem; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm);
  border: 1px solid var(--c-border-strong); color: var(--c-text-muted); background: oklch(100% 0 0 / 0.03); }
.step.is-done .step__num { background: var(--g-accent); border-color: transparent; color: #fff; }
.step.is-active .step__num { border-color: var(--c-accent); color: var(--c-accent); }
.step__body h4 { margin: 0 0 0.2rem; font-family: var(--font-display); font-size: var(--text-body); }
.step__body p { margin: 0; font-size: var(--text-sm); color: var(--c-text-muted); }

/* ===========================================================================
   ACCORDION / FAQ
   =========================================================================== */
.accordion { border: 1px solid var(--c-border); border-radius: var(--r-lg); overflow: hidden; }
.accordion details { border-bottom: 1px solid var(--c-border); }
.accordion details:last-child { border-bottom: none; }
.accordion summary { list-style: none; cursor: pointer; padding: var(--space-md) var(--space-lg);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-body); color: var(--c-text); }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; font-size: 1.3rem; color: var(--c-text-muted); transition: transform var(--t-fast); }
.accordion details[open] summary::after { transform: rotate(45deg); }
.accordion__body { padding: 0 var(--space-lg) var(--space-md); color: var(--c-text-muted); font-size: var(--text-sm); line-height: var(--leading-relaxed); }

/* ===========================================================================
   UTILITIES
   =========================================================================== */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: var(--z-toast);
  background: var(--c-accent); color: #fff; padding: 0.75rem 1.25rem; border-radius: 0 0 var(--r-md) 0; font-weight: 600; }
.skip-link:focus { left: 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.btn-danger { background: linear-gradient(135deg, var(--c-coral), oklch(62% 0.2 30)); color: #fff; }
.btn-violet { background: linear-gradient(135deg, var(--c-violet), var(--c-violet-deep)); color: #fff; }
.is-spinning { animation: spin 0.8s linear infinite; }