/* ============================================================
   respondent.css — 응답자 페이지 공통 스타일
   모바일 우선 설계
   ============================================================ */

/* ── 0. 폰트 ─────────────────────────────────────────────── */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");

/* ── 1. 기본 리셋 ────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1e293b;
    background: #f8fafc;
    -webkit-font-smoothing: antialiased;
}

/* ── 2. 색상 토큰 ────────────────────────────────────────── */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-ring: rgba(37,99,235,0.12);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-subtle: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --radius-card: 24px;
    --radius-btn: 16px;
    --radius-input: 14px;
    --shadow-card: 0 4px 6px -1px rgba(15,23,42,0.05), 0 16px 32px -4px rgba(15,23,42,0.08);
}

/* ── 3. 공통 카드 ────────────────────────────────────────── */
.r-card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
}

/* ── 4. 공통 버튼 ────────────────────────────────────────── */
.r-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 56px;
    border: none;
    border-radius: var(--radius-btn);
    font-family: inherit;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.18s ease;
    text-decoration: none;
}

.r-btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}

    .r-btn-primary:hover:not(:disabled) {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(37,99,235,0.3);
    }

    .r-btn-primary:disabled {
        background: #cbd5e1;
        color: #94a3b8;
        cursor: not-allowed;
        transform: none;
        box-shadow: none;
    }

.r-btn-secondary {
    background: var(--bg-card);
    color: var(--text-muted);
    border: 1.5px solid var(--border);
}

    .r-btn-secondary:hover {
        background: var(--border-light);
        color: var(--text-main);
    }

.r-btn-dark {
    background: #1e293b;
    color: #fff;
    box-shadow: 0 4px 12px rgba(15,23,42,0.2);
}

    .r-btn-dark:hover {
        background: #0f172a;
        transform: translateY(-2px);
    }

/* ── 5. 공통 인풋 ────────────────────────────────────────── */
.r-input {
    width: 100%;
    height: 56px;
    background: var(--border-light);
    border: 2px solid transparent;
    border-radius: var(--radius-input);
    padding: 0 20px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-main);
    transition: all 0.18s ease;
}

    .r-input:focus {
        background: #fff;
        border-color: var(--primary);
        box-shadow: 0 0 0 4px var(--primary-ring);
        outline: none;
    }

/* ── 6. 에러 박스 ────────────────────────────────────────── */
.r-error {
    background: #fff1f2;
    border: 1px solid #fecada;
    color: #be123c;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

/* ── 7. select ────────────────────────────────────────────── */
.r-select {
    width: 100%;
    height: 56px;
    background: var(--border-light);
    border: 2px solid transparent;
    border-radius: var(--radius-input);
    padding: 0 16px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-main);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    transition: all 0.18s;
    cursor: pointer;
}

    .r-select:focus {
        background-color: #fff;
        border-color: var(--primary);
        box-shadow: 0 0 0 4px var(--primary-ring);
        outline: none;
    }

/* ── 8. 라벨 ─────────────────────────────────────────────── */
.r-label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
    margin-left: 2px;
}

/* ── 9. form-group ────────────────────────────────────────── */
.r-form-group {
    margin-bottom: 20px;
}

/* ── 10. 페이지 래퍼 (Login, Thanks, Survey 공통) ─────────── */
.r-page {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    padding-bottom: max(24px, env(safe-area-inset-bottom));
    background: var(--bg-page);
}

/* ── 11. fadeIn 애니메이션 ───────────────────────────────── */
@keyframes r-fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.r-fadein {
    animation: r-fadeIn 0.45s ease-out;
}