:root {
    --md-bg: #121212;
    --md-surface: #1e1e1e;
    --md-surface-alt: #222;
    --md-border: #333;
    --md-primary: #bb86fc;
    --md-primary-strong: #d39cff;
    --md-on-primary: #000;
    --md-text: #e0e0e0;
    --md-text-muted: #b0b0b0;
    --md-radius: 12px;
    --md-elev: 0 2px 6px rgba(0, 0, 0, .45);
    --md-elev-high: 0 4px 16px rgba(0, 0, 0, .6)
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1f1140 0, #121212 55%, #050505 100%);
    color: var(--md-text)
}

.wrapper {
    max-width: 1120px;
    margin: 0 auto;
    padding: 20px
}

.header-card {
    background: rgba(18, 18, 18, .9);
    border-radius: var(--md-radius);
    box-shadow: var(--md-elev-high);
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, .04);
    backdrop-filter: blur(8px)
}

h1 {
    font-size: 24px;
    margin: 0 0 6px;
    color: #fff;
    letter-spacing: .02em
}

.subtitle {
    font-size: 13px;
    color: var(--md-text-muted);
    margin: 0
}

h2 {
    font-size: 16px;
    margin: 18px 0 10px;
    font-weight: 600;
    color: #f5f5f5;
    letter-spacing: .03em;
    text-transform: uppercase
}

label {
    font-size: 13px;
    display: block;
    margin: 6px 0 4px;
    color: var(--md-text-muted)
}

input[type="file"], input[type="number"] {
    width: 100%;
    max-width: 260px;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--md-border);
    background: var(--md-surface-alt);
    color: var(--md-text);
    font-size: 13px;
    transition: border-color .18s, box-shadow .18s, background .18s;
    outline: none
}

input[type="file"]:focus, input[type="number"]:focus {
    border-color: var(--md-primary);
    box-shadow: 0 0 0 1px rgba(187, 134, 252, .7);
    background: #262335
}

button {
    cursor: pointer;
    border: none;
    border-radius: 999px;
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    background: var(--md-primary);
    color: var(--md-on-primary);
    box-shadow: var(--md-elev);
    transition: box-shadow .18s, transform .12s, background .18s
}

button:hover {
    box-shadow: var(--md-elev-high);
    transform: translateY(-1px);
    background: var(--md-primary-strong)
}

button:active {
    transform: translateY(0) scale(.98);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .6)
}

.controls-card {
    margin-top: 18px;
    padding: 16px 18px;
    border-radius: var(--md-radius);
    background: var(--md-surface);
    box-shadow: var(--md-elev);
    border: 1px solid rgba(255, 255, 255, .04);
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    align-items: flex-end
}

.controls-group {
    min-width: 220px;
    flex: 1 1 220px
}

.controls-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: flex-end
}

.preview-panel {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px
}

.preview-card {
    border-radius: var(--md-radius);
    background: var(--md-surface);
    box-shadow: var(--md-elev);
    border: 1px solid rgba(255, 255, 255, .04);
    padding: 10px;
    min-width: 220px;
    max-width: 320px
}

.preview-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--md-text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: .06em
}

.preview-panel img {
    width: 100%;
    border-radius: 10px;
    border: 1px solid var(--md-border);
    object-fit: contain;
    background: #000
}

#preview {
    display: none
}

.summary-pattern {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 14px
}

.box {
    flex: 1 1 280px;
    min-width: 260px;
    border-radius: var(--md-radius);
    border: 1px solid rgba(255, 255, 255, .05);
    background: var(--md-surface);
    box-shadow: var(--md-elev);
    padding: 10px 10px 12px
}

.box-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--md-text-muted);
    margin: 0 0 4px;
    text-transform: uppercase;
    letter-spacing: .08em
}

.box pre, .box textarea {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--md-border);
    background: #050509;
    color: var(--md-text);
    font-family: ui-monospace, Menlo, Monaco, "Cascadia Mono", "Segoe UI Mono", monospace;
    font-size: 12px;
    padding: 8px 9px;
    resize: vertical;
    min-height: 230px;
    white-space: pre-wrap;
    line-height: 1.45
}

.buttons-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px
}

.body-type {
    display: flex;
    flex-direction: column;
    gap: 3px;
    font-size: 13px;
    margin-top: 2px
}

.body-type label {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px
}

.body-type input[type="radio"] {
    accent-color: var(--md-primary)
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .07);
    background: rgba(255, 255, 255, .03);
    font-size: 11px;
    color: var(--md-text-muted);
    margin-top: 4px
}

.price-highlight {
    margin-top: 10px;
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    text-align: right;
    letter-spacing: .04em
}


@media (max-width: 640px) {
    .controls-card {
        padding: 14px
    }

    .wrapper {
        padding: 14px
    }
}