* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--tg-theme-bg-color, #fff);
    color: var(--tg-theme-text-color, #000);
    padding: 24px 16px;
    min-height: 100vh;
}

.icon { font-size: 56px; text-align: center; margin-bottom: 12px; }

h2 { font-size: 20px; font-weight: 700; text-align: center; margin-bottom: 8px; }

.hint { text-align: center; font-size: 14px; color: var(--tg-theme-hint-color, #999); margin-bottom: 24px; line-height: 1.4; }

#mode-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    background: var(--tg-theme-button-color, #2AABEE);
    color: var(--tg-theme-button-text-color, #fff);
}

#scan-view { display: flex; flex-direction: column; align-items: center; }

#product-name { font-size: 18px; font-weight: 700; }
.barcode-label { font-size: 13px; color: var(--tg-theme-hint-color, #999); margin-bottom: 20px; }

.field-group { margin-bottom: 16px; }
.field-group label { display: block; font-size: 13px; color: var(--tg-theme-hint-color, #999); margin-bottom: 6px; }

input[type="number"], input[type="text"], input[type="date"] {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--tg-theme-hint-color, #ddd);
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    color: var(--tg-theme-text-color, #000);
    font-size: 16px;
    outline: none;
}

#macros-box {
    background: var(--tg-theme-secondary-bg-color, #f5f5f5);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 14px;
}
#macros-box .macro-row { display: flex; justify-content: space-between; padding: 3px 0; }
#macros-box .macro-val { font-weight: 600; }

.total-box {
    background: #EBF5FB;
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 16px;
    text-align: center;
}
.total-kcal { font-size: 28px; font-weight: 700; color: #2AABEE; }
.total-macros { font-size: 13px; color: #555; margin-top: 4px; }

button {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    border: none;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 10px;
    transition: opacity 0.15s;
}
button:active { opacity: 0.75; }
button.primary { background: var(--tg-theme-button-color, #2AABEE); color: var(--tg-theme-button-text-color, #fff); font-weight: 600; }
button.secondary { background: var(--tg-theme-secondary-bg-color, #f0f0f0); color: var(--tg-theme-text-color, #333); }

.hidden { display: none !important; }

.error { color: #e53935; font-size: 14px; text-align: center; margin-top: 12px; line-height: 1.4; }

#loading { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-top: 16px; }
.spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--tg-theme-hint-color, #ddd);
    border-top-color: var(--tg-theme-button-color, #2AABEE);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }