/* ─── Scoped Reset ─── */
#sarr-app {
    --s-primary: #2563eb;
    --s-primary-hover: #1d4ed8;
    --s-bg: #f8fafc;
    --s-card: #ffffff;
    --s-border: #e2e8f0;
    --s-text: #1e293b;
    --s-text-sub: #64748b;
    --s-text-hint: #94a3b8;
    --s-success: #16a34a;
    --s-danger: #dc2626;
    --s-warning: #f59e0b;
    --s-radius: 16px;
    --s-shadow: 0 2px 8px rgba(0,0,0,0.06);
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif !important;
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px;
    color: var(--s-text);
    line-height: 1.7;
}
#sarr-app *, #sarr-app *::before, #sarr-app *::after { box-sizing: border-box; }
#sarr-app h2, #sarr-app h3, #sarr-app h4, #sarr-app p,
#sarr-app table, #sarr-app th, #sarr-app td,
#sarr-app div, #sarr-app span, #sarr-app a, #sarr-app button,
#sarr-app input, #sarr-app select, #sarr-app label { margin: 0; padding: 0; }
#sarr-app h2, #sarr-app h3, #sarr-app h4 {
    line-height: 1.4 !important; letter-spacing: normal !important;
    text-transform: none !important; border: none !important;
    background: none !important; color: var(--s-text) !important;
}
#sarr-app a { text-decoration: none !important; }
#sarr-app table { border-collapse: collapse; border-spacing: 0; }

/* ─── Header ─── */
#sarr-app .sarr-header { text-align: center; margin-bottom: 24px; }
#sarr-app .sarr-header h2 { font-size: 32px !important; font-weight: 800 !important; margin-bottom: 8px !important; }
#sarr-app .sarr-header p { color: var(--s-text-sub); font-size: 15px; margin-bottom: 0 !important; }

/* ─── Steps ─── */
#sarr-app .sarr-steps {
    display: flex !important; justify-content: center !important; gap: 8px !important;
    margin-bottom: 32px !important; flex-wrap: wrap !important;
    padding: 16px 0 !important;
}
#sarr-app .sarr-step {
    display: flex !important; align-items: center !important; gap: 8px !important;
    padding: 8px 18px !important; border-radius: 24px !important;
    font-size: 13px !important; font-weight: 600 !important;
    background: var(--s-bg) !important; color: var(--s-text-sub) !important;
    transition: all 0.3s !important; line-height: 1.4 !important;
}
#sarr-app .sarr-step.active { background: var(--s-primary) !important; color: #fff !important; }
#sarr-app .sarr-step.done { background: #dcfce7 !important; color: var(--s-success) !important; cursor: pointer !important; }
#sarr-app .sarr-step-click:hover { filter: brightness(0.95); }
#sarr-app .sarr-step-num {
    width: 22px !important; height: 22px !important; border-radius: 50% !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    font-size: 11px !important; background: rgba(0,0,0,0.06) !important;
}
#sarr-app .sarr-step.active .sarr-step-num { background: rgba(255,255,255,0.3) !important; }
#sarr-app .sarr-step-arrow { color: var(--s-border); font-size: 18px; line-height: 1; }

/* ─── Cards ─── */
#sarr-app .sarr-card {
    background: var(--s-card) !important; border-radius: var(--s-radius) !important;
    box-shadow: var(--s-shadow) !important; padding: 28px 32px !important;
    margin-bottom: 20px !important; border: 1px solid var(--s-border) !important;
}
#sarr-app .sarr-card h3 {
    font-size: 17px !important; font-weight: 700 !important;
    margin-bottom: 20px !important; display: flex !important;
    align-items: center !important; gap: 8px !important;
    color: var(--s-text) !important;
}

/* ─── Buttons — 툴바 버튼과 동일한 스타일 ─── */
#sarr-app .sarr-btn {
    display: inline-flex !important; align-items: center !important; gap: 8px !important;
    padding: 10px 22px !important; border-radius: 10px !important;
    font-size: 14px !important; font-weight: 600 !important;
    border: none !important; cursor: pointer !important;
    transition: all 0.2s !important; font-family: inherit !important;
    white-space: nowrap !important; line-height: 1.5 !important;
    text-decoration: none !important; text-transform: none !important;
    letter-spacing: normal !important;
}
#sarr-app .sarr-btn-primary { background: var(--s-primary) !important; color: #fff !important; }
#sarr-app .sarr-btn-primary:hover { background: var(--s-primary-hover) !important; }
#sarr-app .sarr-btn-success { background: var(--s-success) !important; color: #fff !important; }
#sarr-app .sarr-btn-success:hover { background: #15803d !important; }
#sarr-app .sarr-btn-outline {
    background: transparent !important; color: var(--s-primary) !important;
    border: 1.5px solid var(--s-primary) !important;
}
#sarr-app .sarr-btn-outline:hover { background: #eff6ff !important; }
#sarr-app .sarr-btn-danger { background: var(--s-danger) !important; color: #fff !important; }
#sarr-app .sarr-btn-sm { padding: 8px 16px !important; font-size: 13px !important; }
#sarr-app .sarr-btn-lg { padding: 14px 32px !important; font-size: 16px !important; border-radius: 12px !important; }
#sarr-app .sarr-btn:disabled { opacity: 0.4 !important; cursor: not-allowed !important; }

/* ─── Upload ─── */
#sarr-app .sarr-upload-area {
    border: 2.5px dashed var(--s-border) !important; border-radius: var(--s-radius) !important;
    padding: 48px 24px !important; text-align: center !important;
    cursor: pointer !important; transition: all 0.3s !important; background: var(--s-bg) !important;
}
#sarr-app .sarr-upload-area:hover,
#sarr-app .sarr-upload-area.dragover { border-color: var(--s-primary) !important; background: #eff6ff !important; }
#sarr-app .sarr-upload-icon { font-size: 48px !important; margin-bottom: 12px !important; }
#sarr-app .sarr-upload-text { font-size: 15px !important; color: var(--s-text-sub) !important; margin-bottom: 8px !important; }
#sarr-app .sarr-upload-hint { font-size: 12px !important; color: var(--s-text-hint) !important; }
#sarr-app .sarr-upload-input { display: none !important; }

/* ─── Options ─── */
#sarr-app .sarr-options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { #sarr-app .sarr-options-grid { grid-template-columns: 1fr; } }
#sarr-app .sarr-option-group { margin-bottom: 8px; }
#sarr-app .sarr-option-label { font-size: 13px; font-weight: 600; color: var(--s-text-sub); margin-bottom: 4px; }
#sarr-app .sarr-option-value { font-size: 15px; font-weight: 600; }
#sarr-app .sarr-tag {
    display: inline-block !important; padding: 3px 10px !important;
    border-radius: 6px !important; font-size: 12px !important; font-weight: 600 !important; margin: 2px !important;
}
#sarr-app .sarr-tag-blue { background: #dbeafe !important; color: #1e40af !important; }
#sarr-app .sarr-tag-red { background: #fee2e2 !important; color: #991b1b !important; }
#sarr-app .sarr-tag-green { background: #dcfce7 !important; color: #166534 !important; }
#sarr-app .sarr-tag-yellow { background: #fef3c7 !important; color: #92400e !important; }

/* ─── Edit Form ─── */
#sarr-app .sarr-edit-section {
    background: #f8fafc; border-radius: 12px;
    padding: 20px 24px; margin-top: 16px; border: 1px solid var(--s-border);
}
#sarr-app .sarr-edit-section h4 { font-size: 14px !important; font-weight: 700 !important; margin-bottom: 14px !important; }
#sarr-app .sarr-form-row { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; flex-wrap: wrap; }
#sarr-app .sarr-form-label { font-size: 13px; font-weight: 600; color: var(--s-text-sub); min-width: 130px; }
#sarr-app .sarr-form-input, #sarr-app .sarr-form-select {
    padding: 8px 12px !important; border: 1.5px solid var(--s-border) !important;
    border-radius: 8px !important; font-size: 13px !important; font-family: inherit !important;
    background: #fff !important; color: var(--s-text) !important; height: auto !important;
    line-height: 1.4 !important;
}
#sarr-app .sarr-form-input:focus, #sarr-app .sarr-form-select:focus {
    outline: none !important; border-color: var(--s-primary) !important;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1) !important;
}
#sarr-app .sarr-form-input { width: 72px !important; text-align: center !important; }
#sarr-app .sarr-form-hint { font-size: 11px; color: var(--s-text-hint); margin-top: 4px; }

/* ─── Seat Map ─── */
#sarr-app .sarr-seatmap {
    background: var(--s-card) !important; border-radius: var(--s-radius) !important;
    padding: 32px 24px !important; border: 1px solid var(--s-border) !important;
}
#sarr-app .sarr-desk-row {
    display: flex !important; gap: 16px !important; justify-content: center !important;
    margin-bottom: 14px !important;
}
#sarr-app .sarr-desk-group { display: flex !important; gap: 10px !important; }
#sarr-app .sarr-group-divider { width: 28px !important; flex-shrink: 0 !important; }
#sarr-app .sarr-desk-cell {
    width: 80px !important; height: 50px !important; border-radius: 8px !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    font-size: 14px !important; font-weight: 700 !important;
    background: #f1f5f9 !important; color: var(--s-text) !important;
    border: 1.5px solid var(--s-border) !important;
    position: relative !important; transition: all 0.3s !important;
    padding: 0 4px !important; margin: 0 !important;
}
#sarr-app .sarr-desk-cell.male { background: #dbeafe !important; border-color: #93c5fd !important; color: #1e40af !important; }
#sarr-app .sarr-desk-cell.female { background: #fce7f3 !important; border-color: #f9a8d4 !important; color: #9d174d !important; }
#sarr-app .sarr-desk-cell.vision { box-shadow: 0 0 0 2.5px var(--s-warning) !important; }
#sarr-app .sarr-desk-cell.fixed { box-shadow: 0 0 0 2.5px var(--s-success) !important; }
#sarr-app .sarr-desk-cell .sarr-cell-num {
    position: absolute !important; top: 2px !important; left: 5px !important;
    font-size: 9px !important; color: var(--s-text-hint) !important; font-weight: 400 !important;
}
#sarr-app .sarr-row-label {
    width: 36px !important; display: flex !important; align-items: center !important; justify-content: center !important;
    font-size: 12px !important; color: var(--s-text-hint) !important; font-weight: 600 !important; flex-shrink: 0 !important;
}
#sarr-app .sarr-desk-teacher {
    background: #1e293b !important; color: #fff !important; text-align: center !important;
    padding: 12px !important; border-radius: 10px !important;
    font-size: 15px !important; font-weight: 700 !important; letter-spacing: 6px !important;
    margin-top: 20px !important;
}

/* ─── Legend ─── */
#sarr-app .sarr-legend {
    display: flex !important; gap: 18px !important; justify-content: center !important;
    margin-top: 16px !important; flex-wrap: wrap !important;
}
#sarr-app .sarr-legend-item { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--s-text-sub); }
#sarr-app .sarr-legend-box { width: 14px; height: 14px; border-radius: 3px; border: 1.5px solid; }
#sarr-app .sarr-legend-box.male { background: #dbeafe; border-color: #93c5fd; }
#sarr-app .sarr-legend-box.female { background: #fce7f3; border-color: #f9a8d4; }
#sarr-app .sarr-legend-box.vision { box-shadow: 0 0 0 2px var(--s-warning); background: #f1f5f9; border-color: #e2e8f0; }
#sarr-app .sarr-legend-box.fixed { box-shadow: 0 0 0 2px var(--s-success); background: #f1f5f9; border-color: #e2e8f0; }

/* ─── Name List (캡처 전용, 화면에서는 숨김) ─── */
#sarr-app .sarr-namelist-wrap { display: none !important; }
#sarr-app .sarr-namelist {
    background: var(--s-card); border-radius: 12px;
    padding: 12px 8px; border: 1px solid var(--s-border);
}
#sarr-app .sarr-namelist h4 { font-size: 13px !important; font-weight: 700 !important; margin-bottom: 8px !important; text-align: center; }
#sarr-app .sarr-namelist-table { width: 100%; border-collapse: collapse; font-size: 11px; }
#sarr-app .sarr-namelist-table th {
    background: var(--s-bg); padding: 4px; font-weight: 600; text-align: center;
    border-bottom: 2px solid var(--s-border);
}
#sarr-app .sarr-namelist-table td {
    padding: 2px 4px; text-align: center; border-bottom: 1px solid var(--s-border); font-size: 10px;
}

/* ─── Toolbar ─── */
#sarr-app .sarr-toolbar {
    display: flex !important; gap: 10px !important; margin-bottom: 24px !important;
    flex-wrap: wrap !important; justify-content: center !important;
    padding: 0 !important;
}

/* ─── Alert ─── */
#sarr-app .sarr-alert { padding: 12px 18px !important; border-radius: 10px !important; font-size: 13px !important; margin-bottom: 16px !important; }
#sarr-app .sarr-alert-info { background: #dbeafe !important; color: #1e40af !important; }
#sarr-app .sarr-alert-error { background: #fee2e2 !important; color: #991b1b !important; }
#sarr-app .sarr-alert-success { background: #dcfce7 !important; color: #166534 !important; }

/* ─── Section visibility ─── */
#sarr-app .sarr-section { display: none; }
#sarr-app .sarr-section.active { display: block; }

/* ─── History ─── */
#sarr-app .sarr-history-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 16px; border-bottom: 1px solid var(--s-border);
    cursor: pointer; transition: background 0.2s; border-radius: 8px;
}
#sarr-app .sarr-history-item:hover { background: var(--s-bg); }
#sarr-app .sarr-history-date { font-size: 14px; font-weight: 600; }
#sarr-app .sarr-history-info { font-size: 12px; color: var(--s-text-sub); margin-top: 2px; }
#sarr-app .sarr-history-del {
    background: none !important; border: none !important; color: var(--s-danger) !important;
    cursor: pointer !important; font-size: 18px !important; padding: 4px !important;
}

/* ─── Action bar ─── */
#sarr-app .sarr-action-bar {
    display: flex !important; gap: 12px !important; justify-content: center !important;
    margin-top: 28px !important; flex-wrap: wrap !important;
}

/* ─── Countdown Overlay ─── */
.sarr-countdown-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.92);
    display: flex; align-items: center; justify-content: center; flex-direction: column;
    z-index: 99999;
}
.sarr-countdown-num {
    font-size: 160px; font-weight: 900; color: #fff;
    animation: sarr-count-pop 0.6s ease-out;
    text-shadow: 0 0 60px rgba(37,99,235,0.5);
}
.sarr-countdown-text { font-size: 24px; color: rgba(255,255,255,0.7); margin-top: 16px; font-weight: 600; }
@keyframes sarr-count-pop {
    0% { transform: scale(2.5); opacity: 0; }
    50% { transform: scale(0.9); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}
@keyframes sarr-reveal {
    0% { transform: scale(0.8) rotateY(90deg); opacity: 0; }
    60% { transform: scale(1.05) rotateY(0deg); opacity: 1; }
    100% { transform: scale(1) rotateY(0deg); opacity: 1; }
}
#sarr-app .sarr-reveal-anim .sarr-desk-cell { animation: sarr-reveal 0.5s ease-out both; }

/* ─── Spinner ─── */
#sarr-app .sarr-spinner {
    display: inline-block; width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff; border-radius: 50%;
    animation: sarr-spin 0.6s linear infinite;
}
@keyframes sarr-spin { to { transform: rotate(360deg); } }