:root{--sell-bg: #f7f5f0;--sell-surface: #ffffff;--sell-line: #e5ded1;--sell-line-soft: #f0ebe0;--sell-fg: #1a1a1a;--sell-fg-soft: #5a544e;--sell-fg-mute: #8a827a;--sell-primary: #1a1a1a;--sell-primary-hover: #333333;--sell-accent: #b18a52;--sell-danger: #b3261e;--sell-success: #1c8a4f;--sell-warning: #b07b1c;--sell-info: #2b6cb0;--sell-radius-sm: 4px;--sell-radius: 8px;--sell-radius-lg: 12px;--sell-shadow: 0 1px 3px rgba(0,0,0,.06);--sell-shadow-md: 0 4px 12px rgba(0,0,0,.08);--sell-font-serif: "Cormorant Garamond", Georgia, serif;--sell-font-sans: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--sell-bg);color:var(--sell-fg);font-family:var(--sell-font-sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--sell-primary)}h1,h2,h3,h4{font-family:var(--sell-font-serif);font-weight:400}.sell-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;background:var(--sell-primary);color:#fff;border:1px solid var(--sell-primary);border-radius:var(--sell-radius);font-size:.9rem;cursor:pointer;transition:background .15s}.sell-btn:hover:not(:disabled){background:var(--sell-primary-hover)}.sell-btn:disabled{opacity:.5;cursor:not-allowed}.sell-btn--ghost{background:transparent;color:var(--sell-primary);border-color:var(--sell-line)}.sell-btn--ghost:hover:not(:disabled){background:var(--sell-line-soft);border-color:var(--sell-fg-mute)}.sell-input,.sell-textarea,.sell-select{width:100%;padding:10px 12px;border:1px solid var(--sell-line);border-radius:var(--sell-radius);background:#fff;font-family:inherit;font-size:.9rem;color:var(--sell-fg)}.sell-input:focus,.sell-textarea:focus,.sell-select:focus{outline:none;border-color:var(--sell-primary);box-shadow:0 0 0 3px #1a1a1a14}.sell-label{display:block;font-size:.78rem;font-weight:600;color:var(--sell-fg-soft);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}.sell-card{background:var(--sell-surface);border:1px solid var(--sell-line);border-radius:var(--sell-radius-lg);padding:20px;box-shadow:var(--sell-shadow)}.sell-error{color:var(--sell-danger);font-size:.85rem;margin-top:6px}