.shopprep-tool {
    --sp-teal: #0f766e;
    --sp-teal-dark: #0b5a54;
    --sp-accent: #14b8a6;
    --sp-slate: #0f172a;
    --sp-muted: #64748b;
    --sp-panel: #f8fafc;
    --sp-border: #e2e8f0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--sp-slate);
    background: #fff;
    border: 1px solid var(--sp-border);
    border-radius: 16px;
    padding: 20px;
    max-width: 880px;
    margin: 0 auto;
    box-sizing: border-box;
}
.shopprep-tool *, .shopprep-tool *::before, .shopprep-tool *::after { box-sizing: border-box; }

.sp-dropzone {
    border: 2px dashed var(--sp-accent);
    border-radius: 12px;
    background: var(--sp-panel);
    text-align: center;
    padding: 34px 16px;
    cursor: pointer;
    outline-offset: 3px;
}
.sp-dropzone:focus-visible { outline: 3px solid var(--sp-teal); }
.sp-dropzone.sp-drag { background: #ecfdf5; border-color: var(--sp-teal); }
.sp-drop-title { margin: 0 0 6px; font-size: 1.15rem; font-weight: 700; color: var(--sp-teal); }
.sp-drop-sub { margin: 0; color: var(--sp-muted); font-size: .92rem; }

.sp-controls {
    display: flex; flex-wrap: wrap; gap: 14px;
    margin-top: 18px; align-items: flex-end;
}
.sp-field { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; }
.sp-field > span { font-weight: 600; color: var(--sp-slate); }
.sp-field select, .sp-field input[type="text"], .sp-field input[type="number"] {
    padding: 9px 10px; border: 1px solid var(--sp-border); border-radius: 8px;
    font: inherit; background: #fff; color: inherit; min-height: 42px;
}
.sp-field input[type="color"] { width: 52px; height: 42px; border: 1px solid var(--sp-border); border-radius: 8px; background: #fff; padding: 3px; }
.sp-field input[type="range"] { width: 100%; accent-color: var(--sp-teal); min-height: 42px; }
.sp-field-grow { flex: 1 1 200px; }
.sp-field-small { flex: 0 0 auto; }
.sp-custom-size { display: flex; gap: 14px; }
.sp-custom-size[hidden] { display: none; }
.sp-check { display: flex; gap: 8px; align-items: center; font-size: .9rem; flex: 1 1 100%; }
.sp-check input { width: 18px; height: 18px; accent-color: var(--sp-teal); }

.sp-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 18px; }
.sp-btn {
    border: 0; border-radius: 10px; padding: 12px 20px; font: inherit; font-weight: 700;
    cursor: pointer; min-height: 46px;
}
.sp-btn:disabled { opacity: .45; cursor: not-allowed; }
.sp-btn-primary { background: var(--sp-teal); color: #fff; }
.sp-btn-primary:hover:not(:disabled) { background: var(--sp-teal-dark); }
.sp-btn-accent { background: var(--sp-accent); color: #04241f; }
.sp-btn-ghost { background: transparent; color: var(--sp-muted); border: 1px solid var(--sp-border); }
.sp-status { margin: 0; color: var(--sp-muted); font-size: .9rem; }

.sp-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 12px; }
.sp-item {
    display: flex; gap: 14px; align-items: center;
    border: 1px solid var(--sp-border); border-radius: 12px; padding: 10px;
    background: #fff;
}
.sp-thumb-wrap { position: relative; flex: 0 0 96px; width: 96px; }
.sp-thumb { width: 96px; height: 96px; object-fit: cover; border-radius: 8px; display: block; background: var(--sp-panel); }
.sp-safe-overlay {
    position: absolute; border: 2px solid var(--sp-accent);
    background: rgba(20, 184, 166, .12); pointer-events: none; border-radius: 2px;
}
.sp-item-meta { flex: 1 1 auto; min-width: 0; font-size: .9rem; }
.sp-item-name { font-weight: 700; overflow-wrap: anywhere; margin: 0 0 2px; }
.sp-item-detail { color: var(--sp-muted); margin: 0; }
.sp-item-warn { color: #b45309; margin: 2px 0 0; }
.sp-item-out { color: var(--sp-teal); font-weight: 600; margin: 2px 0 0; }
.sp-item .sp-btn { padding: 9px 14px; min-height: 40px; font-size: .9rem; }
.sp-privacy { margin: 16px 0 0; color: var(--sp-muted); font-size: .88rem; text-align: center; }

@media (max-width: 560px) {
    .shopprep-tool { padding: 14px; }
    .sp-item { flex-wrap: wrap; }
    .sp-actions .sp-btn { flex: 1 1 100%; }
}