/* 스마트 자동분석 페이지 스타일 */
:root {
    --sa-primary: #3b82f6;
    --sa-primary-dark: #2563eb;
    --sa-text: #1f2937;
    --sa-muted: #6b7280;
    --sa-border: #e5e7eb;
    --sa-bg: #f9fafb;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
    color: var(--sa-text);
    background: var(--sa-bg);
}

/* 헤더 */
.sa-header {
    background: #fff;
    border-bottom: 1px solid var(--sa-border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.sa-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sa-logo { font-weight: 700; font-size: 18px; color: var(--sa-text); text-decoration: none; }
.sa-header-right { display: flex; align-items: center; gap: 16px; }
/* common.css 는 #auth-header-container 를 opacity:0 으로 두고 .header-content.ready 로만 해제하는데,
   이 페이지는 .header-content 가 없어 로그인 버튼이 영영 숨겨진다 → 항상 보이도록 오버라이드 */
.sa-header-right #auth-header-container { opacity: 1 !important; }
.sa-back { font-size: 14px; color: var(--sa-muted); text-decoration: none; white-space: nowrap; }
.sa-back:hover { color: var(--sa-primary); }

.sa-main { max-width: 1100px; margin: 0 auto; padding: 20px; }

/* 업로드 단계 */
.sa-upload-stage { text-align: center; padding: 48px 0 24px; }
.sa-title {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    margin: 0 0 14px;
    letter-spacing: -0.02em;
}
.sa-subtitle { font-size: 16px; line-height: 1.6; color: var(--sa-muted); margin: 0 0 14px; }
.sa-subtitle b { color: var(--sa-text); }
.sa-notice {
    display: inline-block;
    margin: 0 0 32px;
    padding: 9px 16px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    font-size: 13.5px;
    color: #1d4ed8;
}
.sa-notice a { color: #1d4ed8; font-weight: 700; text-decoration: underline; }
.sa-notice a:hover { color: #1e40af; }

/* 공통 프라이머리 버튼 (다운로드/실행 통일) */
.sa-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--sa-primary);
    color: #fff;
    border: none;
    padding: 11px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s;
}
.sa-btn-primary:hover { background: var(--sa-primary-dark); }
.sa-btn-primary svg { width: 16px; height: 16px; }

.sa-dropzone {
    max-width: 640px;
    margin: 0 auto;
    background: #fff;
    border: 2px dashed #cbd5e1;
    border-radius: 16px;
    padding: 48px 24px;
    cursor: pointer;
    transition: border-color .2s, background .2s, transform .1s;
}
.sa-dropzone:hover { border-color: var(--sa-primary); background: #f0f7ff; }
.sa-dropzone.is-dragover { border-color: var(--sa-primary); background: #e8f2ff; transform: scale(1.01); }
.sa-dropzone-icon { margin-bottom: 14px; color: var(--sa-primary); line-height: 0; }
.sa-dropzone-icon svg { width: 46px; height: 46px; }
.sa-dropzone-text { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.sa-dropzone-hint { font-size: 13px; color: var(--sa-muted); margin-bottom: 20px; }
.sa-upload-btn {
    background: var(--sa-primary);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
}
.sa-upload-btn:hover { background: var(--sa-primary-dark); }

/* 분석 종류 목록 */
.sa-analyses { max-width: 720px; margin: 40px auto 0; text-align: center; }
.sa-analyses-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--sa-text);
    margin: 0 0 14px;
}
.sa-analyses-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}
.sa-analysis-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    border: 1px solid var(--sa-border);
    border-radius: 999px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--sa-text);
    cursor: pointer;
    transition: border-color .2s, box-shadow .2s;
}
.sa-analysis-btn:hover { border-color: var(--sa-primary); box-shadow: 0 2px 10px rgba(59,130,246,.12); }
.sa-analysis-btn.is-soon { color: var(--sa-muted); background: #f3f4f6; }
.sa-analysis-btn.is-soon:hover { border-color: var(--sa-border); box-shadow: none; }

/* 수동 선택 */
.sa-manual { max-width: 720px; margin: 24px auto 0; text-align: center; }
.sa-manual summary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--sa-muted);
    list-style: none;
    padding: 8px 16px;
    border: 1px solid var(--sa-border);
    border-radius: 999px;
    background: #fff;
    transition: border-color .15s, color .15s;
}
.sa-manual summary::-webkit-details-marker { display: none; }
.sa-manual summary::after {
    content: '▾';
    font-size: 11px;
    transition: transform .15s;
}
.sa-manual[open] summary::after { transform: rotate(180deg); }
.sa-manual summary:hover { color: var(--sa-primary); border-color: var(--sa-primary); }
.sa-manual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 18px;
    text-align: left;
}
.sa-manual-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border: 1px solid var(--sa-border);
    border-radius: 12px;
    padding: 14px 16px;
    text-decoration: none;
    color: var(--sa-text);
    font-size: 14px;
    font-weight: 600;
    transition: border-color .2s, box-shadow .2s;
}
.sa-manual-card:hover { border-color: var(--sa-primary); box-shadow: 0 2px 10px rgba(59,130,246,.12); }
.sa-manual-card .ic {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: #eff6ff;
    color: var(--sa-primary);
}
.sa-manual-card .ic svg { width: 18px; height: 18px; }

/* 결과 단계 */
.sa-result-stage { padding-top: 8px; }
.sa-result-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.sa-detected { font-size: 15px; color: var(--sa-text); }
.sa-detected b { color: var(--sa-primary); }
.sa-reset-btn {
    background: #fff;
    border: 1px solid var(--sa-border);
    color: var(--sa-text);
    padding: 9px 16px;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color .2s, color .2s;
}
.sa-reset-btn:hover { border-color: var(--sa-primary); color: var(--sa-primary); }

/* 복수 분석 탭 */
.sa-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.sa-tab {
    background: #fff;
    border: 1px solid var(--sa-border);
    color: var(--sa-muted);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
}
.sa-tab:hover { border-color: var(--sa-primary); color: var(--sa-primary); }
.sa-tab.is-active { background: var(--sa-primary); border-color: var(--sa-primary); color: #fff; }
.sa-tab svg { width: 15px; height: 15px; vertical-align: -3px; margin-right: 2px; }

/* iframe 결과 */
.sa-frame-wrap {
    position: relative;
    background: #fff;
    border: 1px solid var(--sa-border);
    border-radius: 14px;
    overflow: hidden;
    min-height: 360px;
}
.sa-frame { width: 100%; border: 0; display: block; min-height: 360px; }
.sa-frame-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: #fff;
    color: var(--sa-muted);
    font-size: 15px;
    z-index: 2;
}
.sa-frame-loading[hidden] { display: none; }
.sa-spinner {
    width: 36px; height: 36px;
    border: 3px solid #e5e7eb;
    border-top-color: var(--sa-primary);
    border-radius: 50%;
    animation: sa-spin .8s linear infinite;
}
@keyframes sa-spin { to { transform: rotate(360deg); } }

/* 토스트 */
.sa-toast {
    position: fixed;
    left: 50%;
    bottom: 32px;
    transform: translateX(-50%);
    background: #1f2937;
    color: #fff;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    box-shadow: 0 6px 24px rgba(0,0,0,.18);
    z-index: 50;
    max-width: 90vw;
}
.sa-toast[hidden] { display: none; }
.sa-toast.is-error { background: #dc2626; }
.sa-toast.is-warn { background: #d97706; }

/* 원자료 빈도분석 */
.sa-raw-picker {
    background: #fff;
    border: 1px solid var(--sa-border);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 18px;
}
.sa-raw-picker-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--sa-muted);
}
.sa-raw-picker-actions { display: flex; gap: 6px; }
.sa-mini-btn {
    background: #f3f4f6;
    border: 1px solid var(--sa-border);
    border-radius: 7px;
    padding: 5px 10px;
    font-size: 13px;
    cursor: pointer;
    color: var(--sa-text);
}
.sa-mini-btn:hover { border-color: var(--sa-primary); color: var(--sa-primary); }

.sa-raw-cols {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 6px;
    max-height: 320px;
    overflow-y: auto;
    padding: 4px;
    margin-bottom: 16px;
    border: 1px solid #f1f5f9;
    border-radius: 10px;
}
.sa-col-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: background .12s;
}
.sa-col-item:hover { background: #f0f7ff; }
.sa-col-item input { width: 16px; height: 16px; cursor: pointer; flex: 0 0 auto; }
.sa-col-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sa-raw-run { display: block; width: 100%; }

.sa-raw-title { font-size: 18px; margin: 0; }
.sa-table-wrap {
    background: #fff;
    border: 1px solid var(--sa-border);
    border-radius: 14px;
    padding: 8px;
    overflow-x: auto;
}
.sa-freq-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.sa-freq-table th, .sa-freq-table td {
    border: 1px solid #eef2f7;
    padding: 9px 12px;
    text-align: center;
}
.sa-freq-table thead th {
    background: #f8fafc;
    font-weight: 700;
    color: var(--sa-text);
}
.sa-freq-table td.sa-q {
    text-align: left;
    font-weight: 700;
    color: var(--sa-primary);
    background: #fbfdff;
    vertical-align: top;
}
.sa-freq-table td.sa-cat { text-align: left; }
.sa-freq-table tr.sa-q-start td { border-top: 2px solid #e2e8f0; }

@media (max-width: 720px) {
    .sa-manual-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .sa-upload-stage { padding: 28px 0 16px; }
    .sa-dropzone { padding: 36px 16px; }
    .sa-raw-cols { grid-template-columns: 1fr; }
    .sa-manual-grid { grid-template-columns: 1fr; }
}