/* PDS Build configurator - themed to the Telegram client via --tg-theme-* vars,
   with safe fallbacks for browser preview. Vanilla, no framework. */
:root {
    --bg: var(--tg-theme-bg-color, #17212b);
    --text: var(--tg-theme-text-color, #f5f5f5);
    --hint: var(--tg-theme-hint-color, #8a99a8);
    --link: var(--tg-theme-link-color, #5ea9f6);
    --button: var(--tg-theme-button-color, #2ea6ff);
    --button-text: var(--tg-theme-button-text-color, #ffffff);
    --section: var(--tg-theme-secondary-bg-color, #232e3c);
    --border: rgba(255, 255, 255, 0.10);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

#app {
    max-width: 520px;
    margin: 0 auto;
    padding: 14px 16px 32px;
}

h1 {
    font-size: 18px;
    font-weight: 600;
    margin: 6px 0 16px;
}

.divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0 14px;
}

.field { margin-bottom: 16px; }

.field > label {
    display: block;
    font-size: 13px;
    color: var(--hint);
    margin-bottom: 7px;
}

select, input[type="text"] {
    width: 100%;
    padding: 11px 12px;
    font-size: 16px;
    color: var(--text);
    background: var(--section);
    border: 1px solid var(--border);
    border-radius: 10px;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

select:focus, input[type="text"]:focus { border-color: var(--button); }

/* radio groups rendered as a segmented button row */
.radio-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.radio {
    flex: 1 1 auto;
    min-width: 72px;
    padding: 10px 12px;
    font-size: 15px;
    color: var(--text);
    background: var(--section);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.12s, border-color 0.12s, opacity 0.12s;
}

.radio.selected {
    background: var(--button);
    color: var(--button-text);
    border-color: var(--button);
    font-weight: 600;
}

.radio.disabled {
    opacity: 0.4;
    pointer-events: none;
}

.checkbox-field { margin-top: 4px; }

.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text);
    cursor: pointer;
}

.checkbox input {
    width: 20px;
    height: 20px;
    accent-color: var(--button);
}

.hint {
    font-size: 12px;
    color: var(--hint);
    margin-top: 6px;
    min-height: 14px;
}

#preset {
    font-weight: 600;
}

.summary {
    margin-top: 18px;
    padding: 12px 14px;
    background: var(--section);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--hint);
    white-space: pre-wrap;
}

/* Submission status / result line under the summary. */
.status {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.5;
    min-height: 16px;
    white-space: pre-wrap;
}
.status.ok { color: #52d97d; }
.status.err { color: #e0394a; }