:root {
    --bg: var(--tg-theme-bg-color, #fff);
    --text: var(--tg-theme-text-color, #000);
    --hint: var(--tg-theme-hint-color, #999);
    --btn: var(--tg-theme-button-color, #2481cc);
    --btn-text: var(--tg-theme-button-text-color, #fff);
    --secondary: var(--tg-theme-secondary-bg-color, #f0f0f0);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.hidden { display: none !important; }

.screen { padding: 16px; }

.header { font-size: 18px; font-weight: 600; margin-bottom: 8px; }

.source {
    background: var(--secondary);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 16px;
    white-space: pre-wrap;
    font-size: 14px;
}

.items { margin-bottom: 12px; }

.item {
    background: var(--secondary);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
    align-items: flex-start;
}

.item-body { flex: 1; font-size: 14px; }

.item-title { font-weight: 600; margin-bottom: 4px; }

.item-meta { color: var(--hint); font-size: 13px; }

.total {
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 16px;
}

.actions { display: flex; flex-direction: column; gap: 8px; }

.btn {
    border: none;
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 16px;
    background: var(--secondary);
    color: var(--text);
    cursor: pointer;
}

.btn.primary, .btn.success {
    background: var(--btn);
    color: var(--btn-text);
}

.btn.danger { color: #d32f2f; }

.btn.back { margin-top: 12px; width: 100%; }

.btn.small {
    padding: 8px 12px;
    font-size: 14px;
    border-radius: 8px;
}

.selected {
    font-size: 14px;
    color: var(--hint);
    margin-bottom: 12px;
    white-space: pre-wrap;
}

h2 { font-size: 16px; margin: 0 0 12px; white-space: pre-wrap; }

.values { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }

.shortcuts { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }

.price-box {
    font-size: 24px;
    font-weight: 700;
    margin: 16px 0;
}

.input {
    width: 100%;
    padding: 14px;
    font-size: 18px;
    border: 1px solid var(--hint);
    border-radius: 12px;
    margin-bottom: 12px;
    background: var(--bg);
    color: var(--text);
}

#error { color: #d32f2f; }