:root {
    font-size: clamp(16px, calc(14.5px + 0.22vw), 18px);
    --bg-color: #f3f5f7;
    --sidebar-bg: #202b36;
    --sidebar-text: #e4e9ee;
    --primary-color: #d8e3ed;
    --accent-color: #365f7d;
    --container-bg: #ffffff;
    --text-color: #26323c;
    --border-color: #d5dde4;
    --danger-color: #a94a48;
    --danger-dark: #873b39;
    --edit-color: #527b99;
    --success-color: #3d735e;
    --warning-color: #b48236;
    --warning-dark: #93672b;
    --info-color: #426f8d;
    --card-shadow: 0 1px 4px rgba(31,45,58,0.07);
}

[data-theme='dark'] {
    --bg-color: #1d252c;
    --container-bg: #27323b;
    --text-color: #e8edf1;
    --border-color: #43505b;
    --card-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

* { box-sizing: border-box; }
body { margin: 0; padding: 0; font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background-color: var(--bg-color); color: var(--text-color); display: flex; height: 100vh; height: 100dvh; overflow: hidden; }

/* --- 사이드바 --- */
#sidebar { width: 230px; background: var(--sidebar-bg); color: var(--sidebar-text); display: flex; flex-direction: column; flex-shrink: 0; z-index: 100; box-shadow: 1px 0 6px rgba(0,0,0,0.12); transition: width 0.2s ease; }
.sidebar-header { padding: 22px 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-title { font-weight: 700; color: #fff; font-size: 0.98rem; display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid #8297a8; border-radius: 5px; color: #d9e4ec; font-size: 0.67rem; font-weight: 700; }
.sidebar-collapse-toggle { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 28px; padding: 0; border: 1px solid rgba(228,233,238,0.22); border-radius: 5px; background: transparent; color: #e4e9ee; cursor: pointer; }
.sidebar-collapse-toggle svg { width: 16px; height: 16px; }
.sidebar-collapse-toggle:hover { background: rgba(228,233,238,0.12); }

.nav-menu { flex: 1; padding: 12px 0; display: flex; flex-direction: column; overflow-y: auto; }
.nav-item { padding: 13px 20px; cursor: pointer; display: flex; align-items: center; gap: 14px; transition: 0.2s; white-space: nowrap; font-size: 0.92rem; color: #b2bec3; font-weight: 500; }
.nav-item:hover { background: rgba(216, 227, 237, 0.09); color: #fff; }
.nav-item.active { background: rgba(216, 227, 237, 0.13); color: #fff; border-left: 3px solid #8da9be; font-weight: 650; }
.nav-icon { width: 20px; height: 20px; display: inline-grid; place-items: center; flex: 0 0 20px; color: #b8c6d1; }
.nav-icon svg, .search-icon svg, .tool-icon svg { width: 17px; height: 17px; stroke-width: 1.8; }
.nav-item.active .nav-icon { color: #fff; }
.nav-badge { margin-left: auto; background: #53697a; color: #fff; font-size: 0.7rem; padding: 2px 7px; border-radius: 8px; font-weight: 600; }
body.sidebar-collapsed #sidebar { width: 64px; }
body.sidebar-collapsed .sidebar-header { justify-content: center; gap: 4px; padding: 18px 4px; flex-direction: column; }
body.sidebar-collapsed .sidebar-title > span:not(.brand-mark),
body.sidebar-collapsed .nav-text,
body.sidebar-collapsed .nav-badge { display: none; }
body.sidebar-collapsed .nav-item { justify-content: center; gap: 0; padding: 13px 8px; }
body.sidebar-collapsed .nav-item.active { border-left-width: 3px; }
body.sidebar-collapsed .nav-icon { flex-basis: 20px; }

/* --- 레이아웃 --- */
#main-content { flex: 1; display: flex; overflow: hidden; }
.page { display: none; width: 100%; height: 100%; }
.page.active { display: flex; }
.split-layout { display: flex; width: 100%; height: 100%; }
.sidebar-form { width: 390px; background: var(--container-bg); border-right: 1px solid var(--border-color); padding: 22px; display: flex; flex-direction: column; overflow-y: auto; flex-shrink: 0; }
.content-area { flex: 1; padding: 22px; overflow-y: auto; display: flex; flex-direction: column; }

/* --- 상단 통계 지표 카드 바 --- */
.stats-bar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.stat-card {
    flex: 1; min-width: 120px; background: var(--container-bg); border: 1px solid var(--border-color);
    border-radius: 10px; padding: 12px 14px; display: flex; flex-direction: column; gap: 3px;
    box-shadow: var(--card-shadow); transition: transform 0.15s;
}
.stat-card:hover { transform: translateY(-2px); }
.stat-label { font-size: 0.74rem; color: #5f6c76; font-weight: 600; }
.stat-num { font-size: 1.3rem; font-weight: 800; color: var(--accent-color); }
[data-theme='dark'] .stat-label { color: #a4b0be; }

/* --- 필터 바 & 칩 --- */
.control-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.filter-group { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.filter-chip {
    background: var(--container-bg); border: 1px solid var(--border-color); border-radius: 20px;
    padding: 5px 12px; font-size: 0.78rem; cursor: pointer; transition: 0.15s; color: var(--text-color); font-weight: 500;
}
.filter-chip:hover { border-color: var(--accent-color); color: var(--accent-color); }
.filter-chip.active { background: var(--accent-color); color: #fff; border-color: var(--accent-color); font-weight: 700; }
.search-input-wrap { position: relative; flex: 1; min-width: 200px; max-width: 380px; }
.search-input { width: 100%; border-radius: 20px; padding: 8px 14px 8px 34px; font-size: 0.85rem; border: 1px solid var(--border-color); background: var(--container-bg); }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); display: flex; color: #687681; }

/* --- 폼 & 버튼 --- */
.page-header-title { margin: 0 0 16px 0; color: var(--text-color); font-size: 1.3rem; font-weight: 700; display: flex; align-items: center; justify-content: space-between; }
.page-icon { display: inline-flex; vertical-align: middle; margin-right: 8px; color: var(--accent-color); }
.page-icon svg, .master-tab-btn svg { width: 18px; height: 18px; vertical-align: middle; stroke-width: 1.8; }
.input-form { display: flex; flex-direction: column; gap: 11px; width: 100%; }
.input-form label { font-size: 0.78rem; font-weight: 700; line-height: 1.35; margin-bottom: 4px; color: #636e72; display: flex; align-items: center; justify-content: space-between; }
[data-theme='dark'] .input-form label { color: #b2bec3; }
input, textarea, select { width: 100%; padding: 9px 11px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-color); color: var(--text-color); font-size: 0.88rem; outline: none; transition: border-color 0.2s; }
input:focus, textarea:focus, select:focus { border-color: var(--accent-color); }
textarea { height: 110px; resize: vertical; line-height: 1.4; }
.resv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.full { grid-column: span 2; }

.btn-add { background: var(--accent-color); color: white; border: none; padding: 11px; border-radius: 6px; cursor: pointer; font-weight: 650; margin-top: 4px; font-size: 0.92rem; transition: 0.2s; }
.btn-add:hover { opacity: 0.92; filter: brightness(1.05); }
.btn-cancel { background: transparent; border: 1px solid var(--border-color); color: var(--text-color); padding: 9px; border-radius: 8px; cursor: pointer; font-size: 0.82rem; margin-top: 4px; display: none; }
.btn-cancel:hover { background: rgba(0,0,0,0.05); }

.shortcut-group { display: flex; flex-wrap: wrap; gap: 5px; }
.btn-shortcut { background: var(--bg-color); border: 1px solid var(--primary-color); color: var(--accent-color); padding: 3px 7px; border-radius: 4px; font-size: 0.72rem; cursor: pointer; font-weight: 600; }
.btn-shortcut:hover { background: var(--accent-color); color: white; }

/* --- 매칭 힌트 배지 (자동완성 표시) --- */
.match-hint {
    font-size: 0.74rem; color: #3d735e; background: rgba(61, 115, 94, 0.08);
    padding: 4px 8px; border-radius: 5px; border: 1px solid rgba(61, 115, 94, 0.22);
    margin-top: -4px; display: none; align-items: center; gap: 4px; font-weight: 600;
}

/* --- 테이블 & 뱃지 --- */
.table-wrap { width: 100%; min-width: 0; overflow-x: auto; overscroll-behavior-x: contain; touch-action: pan-x pan-y; scrollbar-width: thin; scrollbar-color: #8998a5 #e7ebef; background: var(--container-bg); border-radius: 10px; border: 1px solid var(--border-color); box-shadow: var(--card-shadow); }
.table-wrap::-webkit-scrollbar { height: 8px; }
.table-wrap::-webkit-scrollbar-track { background: #e7ebef; }
.table-wrap::-webkit-scrollbar-thumb { background: #8998a5; border-radius: 4px; }
table { width: 100%; min-width: 680px; border-collapse: collapse; table-layout: fixed; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--border-color); text-align: center; font-size: 0.82rem; word-break: break-all; }
th { background: #425d73; color: white; font-weight: 600; font-size: 0.82rem; white-space: nowrap; word-break: keep-all; }
tbody tr:hover { background-color: rgba(66, 111, 141, 0.06); }

.urgent-row { background-color: #ffeae6 !important; }
[data-theme='dark'] .urgent-row { background-color: #572929 !important; }

.completed-task { text-decoration: line-through; opacity: 0.55; }
.promo-expired { background-color: #f1e5e4 !important; }
[data-theme='dark'] .promo-expired { background-color: #5e3b33 !important; }

.badge { display: inline-flex; align-items: center; justify-content: center; padding: 2px 8px; border-radius: 12px; font-size: 0.72rem; font-weight: 700; white-space: nowrap; }
.badge-success { background: rgba(61, 115, 94, 0.12); color: #35694f; }
.badge-warning { background: rgba(180, 130, 54, 0.13); color: #805b22; }
.badge-danger { background: rgba(169, 74, 72, 0.12); color: #923f3d; }
.badge-info { background: rgba(66, 111, 141, 0.12); color: #365f7d; }
.badge-purple { background: rgba(66, 111, 141, 0.12); color: #365f7d; }
.badge-gray { background: rgba(95, 108, 118, 0.12); color: #596873; }

.btn-action { padding: 4px 7px; border-radius: 5px; border: none; color: white; cursor: pointer; font-size: 0.72rem; font-weight: 600; transition: 0.15s; }
.btn-action:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-close-task { background-color: var(--danger-color); color: white; padding: 4px 7px; border-radius: 5px; border: none; cursor: pointer; font-size: 0.72rem; font-weight: 600; }
.status-select-list { padding: 3px 5px; font-size: 0.74rem; border-radius: 5px; width: 100%; cursor: pointer; font-weight: 600; }

.file-link { color: var(--accent-color); text-decoration: none; font-size: 1.15rem; cursor: pointer; margin-left: 5px; vertical-align: middle; }
.file-link:hover { transform: scale(1.2); display: inline-block; }

/* --- 마스터 페이지 전용 스타일 --- */
.master-tabs { display: flex; gap: 8px; margin-bottom: 14px; border-bottom: 2px solid var(--border-color); padding-bottom: 8px; }
.master-tab-btn { background: none; border: none; font-size: 0.95rem; font-weight: 700; color: #636e72; padding: 8px 14px; border-radius: 6px; cursor: pointer; transition: 0.2s; }
.master-tab-btn.active { background: var(--accent-color); color: white; }
.master-tab-btn:hover:not(.active) { background: rgba(66, 111, 141, 0.08); color: var(--accent-color); }

.dropzone-box {
    border: 2px dashed var(--primary-color); border-radius: 10px; padding: 18px 12px; text-align: center;
    background: rgba(66, 111, 141, 0.035); cursor: pointer; transition: 0.2s; position: relative;
}
.dropzone-box:hover, .dropzone-box.dragover { background: rgba(66, 111, 141, 0.09); border-color: var(--accent-color); }
.dropzone-title { font-size: 0.86rem; font-weight: 700; color: var(--accent-color); margin-bottom: 4px; }
.dropzone-desc { font-size: 0.73rem; color: #636e72; }
.upload-icon { margin-bottom: 6px; color: var(--accent-color); }
.upload-icon svg { width: 28px; height: 28px; stroke-width: 1.6; }
.promo-pdf-status { font-size: 0.78rem; color: #5f6c76; line-height: 1.45; }
.promo-pdf-status[data-state="error"] { color: var(--danger-color); }
.promo-pdf-status[data-state="success"] { color: var(--success-color); }
.promo-pdf-results { padding: 10px 12px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-color); }
.promo-pdf-results[hidden] { display: none; }
.promo-pdf-results h4 { margin: 0 0 8px; font-size: 0.82rem; color: var(--accent-color); }
.promo-pdf-results dl { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 6px 8px; margin: 0; font-size: 0.76rem; line-height: 1.4; }
.promo-pdf-results dt { color: #5f6c76; font-weight: 700; }
.promo-pdf-results dd { min-width: 0; margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }

.upload-actions-bar { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.btn-secondary-tool {
    background: var(--bg-color); border: 1px solid var(--border-color); color: var(--text-color);
    padding: 6px 10px; border-radius: 6px; font-size: 0.74rem; font-weight: 600; cursor: pointer; transition: 0.2s;
    display: inline-flex; align-items: center; gap: 4px;
}
.btn-secondary-tool:hover { background: var(--accent-color); color: white; border-color: var(--accent-color); }
.tool-icon { display: inline-flex; align-items: center; margin-right: 5px; }

.form-section-divider { font-size: 0.76rem; font-weight: 800; color: #636e72; margin: 12px 0 4px 0; border-top: 1px dashed var(--border-color); padding-top: 12px; }
.action-flex-group { display: flex; gap: 5px; justify-content: center; }

@media (max-width: 900px) {
    .split-layout { flex-direction: column; overflow-y: auto; }
    .sidebar-form { width: 100%; max-height: 48vh; border-right: 0; border-bottom: 1px solid var(--border-color); flex-shrink: 1; }
    .content-area { min-height: 0; }
}

@media (max-width: 600px) {
    .content-area { padding: 12px; }
    .table-wrap { border-radius: 6px; }
    th, td { padding: 9px 7px; }
}