.button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 17px; border: 1px solid var(--ink); border-radius: var(--radius-xs); background: var(--ink); color: var(--white); font-weight: 750; cursor: pointer; transition: var(--ease); }
.button:hover { transform: translateY(-2px); box-shadow: 3px 4px 0 var(--butter); }
.button--pink { border-color: var(--pink-deep); background: var(--pink); color: var(--ink); }
.button--light { border-color: var(--line-strong); background: var(--paper); color: var(--ink); }
.button--ghost { border-color: transparent; background: transparent; color: var(--ink); }
.button--small { min-height: 34px; padding-inline: 12px; font-size: 13px; }
.button--wide { width: 100%; }

.tag { display: inline-flex; align-items: center; min-height: 25px; padding: 2px 8px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--paper); font-size: 11px; font-weight: 750; }
.tag--pink { border-color: transparent; background: var(--pink-wash); color: #b84663; }
.tag--mint { border-color: transparent; background: var(--mint-wash); color: #247553; }
.tag--butter { border-color: transparent; background: var(--butter-wash); color: #8f6818; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint-deep); }

.avatar { display: inline-grid; place-items: center; flex: 0 0 auto; width: 38px; height: 38px; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--butter); font-size: 14px; font-weight: 800; }
.avatar--sm { width: 28px; height: 28px; font-size: 11px; }
.avatar--lg { width: 54px; height: 54px; }
.person { display: flex; align-items: center; gap: 9px; min-width: 0; }
.person strong, .person span { display: block; }
.person span { color: var(--ink-soft); font-size: 11px; }

.card { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); }
.card--lift { transition: var(--ease); }
.card--lift:hover { border-color: var(--line-strong); transform: translateY(-4px); box-shadow: 0 12px 25px rgba(52,39,33,.08); }
.panel { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); }

.art-thumb { position: relative; min-height: 210px; overflow: hidden; background: var(--butter-wash); }
.art-thumb::before, .art-thumb::after { content: ""; position: absolute; border: 2px solid var(--ink); }
.art-thumb--garden { background: #ddeed3; }
.art-thumb--garden::before { width: 55%; height: 55%; right: 8%; top: 17%; border-radius: 50% 45% 52% 42%; background: var(--pink); transform: rotate(9deg); }
.art-thumb--garden::after { width: 34%; height: 72%; left: 10%; bottom: -24%; border-radius: 46% 50% 0 0; background: var(--butter); transform: rotate(-12deg); }
.art-thumb--night { background: #302d3b; }
.art-thumb--night::before { width: 92px; height: 92px; left: 13%; top: 14%; border-color: var(--pink); border-radius: 50%; background: #ffd6df; box-shadow: 95px 63px 0 -22px var(--mint); }
.art-thumb--night::after { width: 50%; height: 38%; right: -8%; bottom: -4%; border-color: #fff; border-radius: 70% 0 0 0; background: #5f677c; }
.art-thumb--paper { background: #f0e8dd; }
.art-thumb--paper::before { inset: 13% 18%; border-radius: 47% 52% 43% 57%; background: var(--butter); transform: rotate(-6deg); box-shadow: 13px 13px 0 var(--pink); }
.art-thumb--paper::after { width: 60px; height: 60px; right: 13%; top: 11%; border-radius: 50%; background: var(--mint); }
.art-thumb--mint { background: var(--mint-wash); }
.art-thumb--mint::before { width: 45%; height: 70%; left: 27%; top: 15%; border-radius: 48% 48% 38% 38%; background: #f7c3a5; transform: rotate(4deg); }
.art-thumb--mint::after { width: 70%; height: 16%; left: 14%; bottom: 12%; border-radius: 50%; background: var(--pink); }
.art-label { position: absolute; z-index: 2; left: 12px; top: 12px; padding: 4px 7px; border: 1px solid var(--ink); border-radius: 4px; background: var(--paper); font-size: 10px; font-weight: 800; }

.work-card { overflow: hidden; }
.work-card .art-thumb { border-bottom: 1px solid var(--line); }
.work-card__body { padding: 15px; }
.work-card__creator { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; color: var(--ink-soft); font-size: 12px; }
.work-card h3 { margin: 0; font-size: 17px; line-height: 1.35; letter-spacing: -.025em; }
.work-card__meta { display: flex; justify-content: space-between; gap: 10px; margin-top: 14px; color: var(--ink-soft); font-size: 12px; }
.work-card__meta strong { color: var(--ink); font-size: 15px; }
.heart-button { border: 0; background: transparent; cursor: pointer; color: var(--ink-soft); }
.heart-button.is-active { color: var(--pink-deep); }

.field { display: grid; gap: 7px; }
.field label { font-size: 12px; font-weight: 800; }
.input, .select { width: 100%; height: 44px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: var(--radius-xs); background: var(--white); color: var(--ink); transition: var(--ease); }
.input:focus, .select:focus { outline: 0; border-color: var(--pink-deep); box-shadow: 0 0 0 3px var(--pink-wash); }
.search-box { position: relative; }
.search-box .input { padding-left: 39px; }
.search-box::before { content: "⌕"; position: absolute; z-index: 1; left: 13px; top: 7px; font-size: 22px; color: var(--ink-soft); }
.check-row { display: flex; align-items: flex-start; gap: 9px; cursor: pointer; }
.check-row input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--pink-deep); }

.progress { height: 8px; overflow: hidden; border-radius: 5px; background: #eee8e2; }
.progress > span { display: block; height: 100%; border-radius: inherit; background: var(--pink); }
.metric { display: grid; gap: 3px; }
.metric strong { font-family: var(--font-display); font-size: 26px; letter-spacing: -.04em; }
.metric span { color: var(--ink-soft); font-size: 12px; }

.toast { position: fixed; z-index: 120; left: 50%; bottom: 28px; padding: 11px 16px; border: 1px solid var(--ink); border-radius: var(--radius-xs); background: var(--ink); color: var(--white); font-size: 13px; transform: translate(-50%, 120px); transition: transform var(--ease); }
.toast.is-visible { transform: translate(-50%, 0); }

.modal-backdrop { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 20px; background: rgba(39,33,31,.42); opacity: 0; pointer-events: none; transition: opacity var(--ease); }
.modal-backdrop.is-open { opacity: 1; pointer-events: auto; }
.modal { width: min(520px, 100%); max-height: 90vh; overflow: auto; padding: 24px; border: 1px solid var(--ink); border-radius: var(--radius-md); background: var(--paper); box-shadow: var(--shadow-float); }
.modal__head { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.modal__head h2 { margin: 0; font-size: 23px; }
.purchase-modal { width: min(560px, 100%); }
.purchase-summary { width: 100%; min-width: 0; display: grid; gap: 13px; margin-bottom: 18px; padding: 16px; border: 1px solid var(--line); border-radius: 9px; background: var(--canvas); }
.purchase-summary__row, .purchase-summary__total { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12px; }
.purchase-summary__row span, .purchase-summary__total span { color: var(--ink-soft); }
.purchase-summary__row strong, .purchase-summary__total strong { min-width: 0; overflow-wrap: anywhere; text-align: right; }
.purchase-summary__total strong { font-size: 22px; white-space: nowrap; }
.purchase-agreement { margin-top: 16px; }
.purchase-note { margin: 16px 0; padding: 13px; border-left: 3px solid var(--pink-deep); background: var(--pink-wash); color: var(--ink-soft); font-size: 12px; }
.purchase-note strong { color: var(--ink); }
.purchase-actions { display: grid; grid-template-columns: .65fr 1.35fr; gap: 9px; }

.chat-launcher { position: fixed; z-index: 70; right: 24px; bottom: 24px; display: flex; align-items: center; gap: 9px; min-height: 50px; padding: 0 17px; border: 1px solid var(--ink); border-radius: 28px; background: var(--pink); font-weight: 800; box-shadow: 4px 5px 0 var(--ink); cursor: pointer; }
.chat-launcher__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--mint-deep); box-shadow: 0 0 0 3px var(--mint); }
.chat-layer { position: fixed; z-index: 100; right: 24px; bottom: 24px; width: min(390px, calc(100vw - 32px)); height: min(640px, calc(100vh - 48px)); display: grid; grid-template-rows: auto auto 1fr auto; overflow: hidden; border: 1px solid var(--ink); border-radius: 20px; background: var(--paper); box-shadow: var(--shadow-float); transform: translateY(30px) scale(.96); opacity: 0; pointer-events: none; transition: var(--ease); }
.chat-layer.is-open { transform: none; opacity: 1; pointer-events: auto; }
.chat-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.chat-head strong { display: block; }
.chat-head span { display: block; color: var(--mint-deep); font-size: 11px; }
.chat-context { display: flex; gap: 9px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--butter-wash); color: var(--ink-soft); font-size: 11px; }
.chat-messages { display: flex; flex-direction: column; gap: 12px; overflow: auto; padding: 16px; }
.bubble { width: fit-content; max-width: 82%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 4px 14px 14px 14px; background: var(--white); font-size: 13px; }
.bubble--me { align-self: end; border-color: #ef97a9; border-radius: 14px 4px 14px 14px; background: var(--pink-wash); }
.chat-link { display: block; margin-top: 8px; padding: 9px; border: 1px solid var(--line-strong); border-radius: 7px; background: var(--paper); font-weight: 750; }
.chat-compose { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.chat-compose input { min-width: 0; height: 40px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 7px; }

@media (max-width: 620px) {
  .chat-launcher { right: 16px; bottom: calc(80px + env(safe-area-inset-bottom)); }
  .chat-launcher span:last-child { display: none; }
  .chat-layer { inset: 0; width: 100%; height: 100%; border: 0; border-radius: 0; }
  .modal-backdrop { display: flex; align-items: flex-end; justify-content: stretch; padding: 0; }
  .modal { width: 100%; min-width: 0; max-width: 100vw; max-height: 88vh; border-radius: 20px 20px 0 0; }
  .purchase-modal { overflow-x: hidden; }
  .purchase-summary .person > div { min-width: 0; }
  .purchase-summary__row, .purchase-summary__total { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .purchase-actions { grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); padding-bottom: env(safe-area-inset-bottom); }
  .purchase-actions .button { min-width: 0; padding-inline: 10px; }
  .toast { bottom: calc(82px + env(safe-area-inset-bottom)); }
}