/* ── Medical Surveys – Frontend CSS ──────────────────────────────────────── */
:root {
    --ms-primary:    #2563eb;
    --ms-primary-dk: #1d4ed8;
    --ms-success:    #16a34a;
    --ms-danger:     #dc2626;
    --ms-warn:       #d97706;
    --ms-bg:         #f8fafc;
    --ms-border:     #e2e8f0;
    --ms-text:       #1e293b;
    --ms-muted:      #64748b;
    --ms-radius:     10px;
    --ms-shadow:     0 2px 12px rgba(0,0,0,.08);
}

.ms-survey-wrap {
    max-width: 900px;
    margin: 32px auto;
    padding: 0 16px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--ms-text);
}

.ms-survey-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--ms-primary);
    border-left: 4px solid var(--ms-primary);
    padding-left: 14px;
    margin-bottom: 4px;
}

.ms-survey-subtitle {
    color: var(--ms-muted);
    margin: 0 0 20px 18px;
    font-size: .95rem;
}

.ms-alert { padding: 14px 18px; border-radius: var(--ms-radius); margin-bottom: 24px; font-size: .95rem; }
.ms-alert-info { background: #dbeafe; border: 1px solid #93c5fd; color: #1e40af; }

.ms-section {
    background: #fff;
    border: 1px solid var(--ms-border);
    border-radius: var(--ms-radius);
    padding: 24px 28px;
    margin-bottom: 20px;
    box-shadow: var(--ms-shadow);
}

.ms-section h3 {
    margin: 0 0 18px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--ms-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ms-max-score {
    font-size: .8rem;
    font-weight: 400;
    background: var(--ms-primary);
    color: #fff;
    padding: 2px 10px;
    border-radius: 20px;
    margin-left: 8px;
}

.ms-row { margin-bottom: 16px; }
.ms-row label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .92rem; }
.ms-row input[type="text"],
.ms-row input[type="tel"],
.ms-row input[type="date"],
.ms-row input[type="number"] {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--ms-border);
    border-radius: 8px;
    font-size: .95rem;
    box-sizing: border-box;
    transition: border-color .2s;
}
.ms-row input:focus { outline: none; border-color: var(--ms-primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }

.ms-row-inline { display: flex; gap: 20px; flex-wrap: wrap; }
.ms-row-inline > div { flex: 1; min-width: 160px; }

.ms-radio-group { display: flex; gap: 20px; flex-wrap: wrap; }
.ms-radio-group label { font-weight: 400; display: flex; align-items: center; gap: 6px; cursor: pointer; }

.ms-note { color: var(--ms-muted); font-size: .88rem; margin: -8px 0 14px; }
.required { color: var(--ms-danger); }

/* ── PHQ-9 Table ─────────────────────────────────────────────────────────── */
.ms-table-wrap { overflow-x: auto; }
.ms-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.ms-table th { background: #f1f5f9; padding: 10px 8px; text-align: center; border: 1px solid var(--ms-border); font-weight: 600; color: var(--ms-text); }
.ms-table td { padding: 10px 8px; border: 1px solid var(--ms-border); vertical-align: middle; }
.ms-table .col-no       { width: 70px; text-align: center; color: var(--ms-muted); font-size:.8rem; }
.ms-table .col-question { text-align: left; min-width: 260px; }
.ms-table .col-option   { text-align: center; width: 110px; }
.ms-table tbody tr:hover { background: #f8fafc; }

.ms-radio-label { display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer; }
.ms-radio-label input { cursor: pointer; width: 18px; height: 18px; }
.ms-radio-label span { font-size: .82rem; color: var(--ms-muted); }

/* ── CARS items ──────────────────────────────────────────────────────────── */
.ms-cars-item {
    background: #f8fafc;
    border: 1px solid var(--ms-border);
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 12px;
}
.ms-cars-label { font-weight: 600; margin-bottom: 10px; color: var(--ms-primary); font-size: .93rem; }
.ms-cars-options { display: flex; flex-wrap: wrap; gap: 6px; }

.ms-cars-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1.5px solid var(--ms-border);
    background: #fff;
    min-width: 60px;
    transition: all .2s;
    flex: 1;
}
.ms-cars-option:hover { border-color: var(--ms-primary); background: #dbeafe; }
.ms-cars-option input { position: absolute; opacity: 0; pointer-events: none; }
.ms-cars-option:has(input:checked) { border-color: var(--ms-primary); background: #dbeafe; box-shadow: 0 0 0 2px var(--ms-primary); }
.ms-cars-score { font-weight: 700; font-size: 1.1rem; color: var(--ms-text); }
.ms-cars-desc  { font-size: .75rem; color: var(--ms-muted); text-align: center; margin-top: 4px; }
.ms-cars-main  { border-color: #c7d2fe; }
.ms-cars-half  { border-style: dashed; background: #fafafa; }

/* ── MMSE rows ───────────────────────────────────────────────────────────── */
.ms-mmse-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--ms-border);
    gap: 12px;
    flex-wrap: wrap;
}
.ms-mmse-row:last-child { border-bottom: none; }
.ms-mmse-row:hover { background: #f8fafc; }
.ms-mmse-q { flex: 1; font-size: .9rem; color: var(--ms-text); min-width: 200px; }
.ms-mmse-answer { display: flex; gap: 10px; flex-shrink: 0; }

.ms-answer-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    border-radius: 6px;
    border: 1.5px solid var(--ms-border);
    cursor: pointer;
    font-weight: 600;
    font-size: .85rem;
    transition: all .2s;
    background: #fff;
}
.ms-answer-btn:has(input:checked) { border-color: var(--ms-success); background: #dcfce7; color: var(--ms-success); }
.ms-answer-wrong:has(input:checked) { border-color: var(--ms-danger); background: #fee2e2; color: var(--ms-danger); }
.ms-answer-btn input { position: absolute; opacity: 0; }

/* ── Submit button ───────────────────────────────────────────────────────── */
.ms-submit-wrap { text-align: center; margin-top: 24px; }
.ms-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 40px; border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all .2s; }
.ms-btn-primary { background: var(--ms-primary); color: #fff; }
.ms-btn-primary:hover { background: var(--ms-primary-dk); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,.3); }
.ms-btn-primary:active { transform: translateY(0); }
.ms-btn-primary:disabled { opacity: .65; cursor: not-allowed; }

/* ── Result box ──────────────────────────────────────────────────────────── */
.ms-result { margin-bottom: 24px; }
.ms-conclusion-box {
    background: #fff;
    border: 1px solid var(--ms-border);
    border-radius: var(--ms-radius);
    padding: 28px;
    text-align: center;
    box-shadow: var(--ms-shadow);
}
.ms-conclusion-box h3 { font-size: 1.2rem; margin-bottom: 16px; }
.ms-score-display { margin-bottom: 12px; }
.ms-score-num  { font-size: 3rem; font-weight: 800; }
.ms-score-max  { font-size: 1.4rem; color: var(--ms-muted); }
.ms-progress-bar { background: #e2e8f0; border-radius: 20px; height: 12px; margin: 12px auto; max-width: 320px; overflow: hidden; }
.ms-progress-fill { height: 100%; border-radius: 20px; transition: width 1s ease; }
.ms-conclusion-label { font-size: 1.15rem; font-weight: 700; margin: 12px 0; }
.ms-thankyou { color: var(--ms-muted); font-size: .9rem; margin-top: 16px; }

@media (max-width: 640px) {
    .ms-table th, .ms-table td { padding: 7px 4px; font-size: .78rem; }
    .ms-section { padding: 16px; }
    .ms-cars-options { flex-direction: row; }
}