/* ============ 디자인 토큰 ============ */
:root {
  color-scheme: light;
  --page: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --chart-surface: #fcfcfb;
  --border: rgba(11, 11, 11, .09);
  --border-strong: rgba(11, 11, 11, .16);
  --ink: #111318;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e8e7e1;
  --axis: #c3c2b7;
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --accent-soft: #e8f1fc;
  --sidebar: #0f1b2d;
  --sidebar-ink: #c8d1df;
  --sidebar-active: #1e3a5f;

  /* 범주형 팔레트 (고정 순서) */
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #4a3aa7; --s8: #e34948;
  /* 순차형(파랑) */
  --q1: #cde2fb; --q2: #9ec5f4; --q3: #6da7ec; --q4: #3987e5; --q5: #256abf; --q6: #184f95; --q7: #0d366b;
  /* 상태 */
  --good: #0ca30c; --good-ink: #006300; --warn: #fab219; --serious: #ec835a; --crit: #d03b3b;
  --todo: #d6d5cf;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 2px 8px rgba(16, 24, 40, .04);
  --font: "Pretendard Variable", Pretendard, system-ui, -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #222220; --chart-surface: #1a1a19;
    --border: rgba(255,255,255,.09); --border-strong: rgba(255,255,255,.18);
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781; --grid: #2c2c2a; --axis: #383835;
    --accent: #3987e5; --accent-ink: #86b6ef; --accent-soft: #15253b;
    --sidebar: #111110; --sidebar-active: #1f2b3d;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --q1: #0d366b; --q2: #104281; --q3: #184f95; --q4: #256abf; --q5: #3987e5; --q6: #6da7ec; --q7: #9ec5f4;
    --good-ink: #0ca30c; --todo: #3a3a37;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #222220; --chart-surface: #1a1a19;
  --border: rgba(255,255,255,.09); --border-strong: rgba(255,255,255,.18);
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781; --grid: #2c2c2a; --axis: #383835;
  --accent: #3987e5; --accent-ink: #86b6ef; --accent-soft: #15253b;
  --sidebar: #111110; --sidebar-active: #1f2b3d;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --q1: #0d366b; --q2: #104281; --q3: #184f95; --q4: #256abf; --q5: #3987e5; --q6: #6da7ec; --q7: #9ec5f4;
  --good-ink: #0ca30c; --todo: #3a3a37;
  --shadow: none;
}

/* ============ 기본 ============ */
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--font); background: var(--page); color: var(--ink); font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.01em; }
.muted { color: var(--muted); }
.num, td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.small { font-size: 12px; }

/* ============ 레이아웃 ============ */
.shell { display: flex; min-height: 100vh; }
.sidebar { width: 236px; flex: 0 0 236px; background: var(--sidebar); color: var(--sidebar-ink); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; gap: 10px; align-items: center; padding: 20px 18px 18px; color: #fff; text-decoration: none !important; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #2a78d6, #1baf7a); display: grid; place-items: center; color: #fff; }
.brand-text { font-weight: 700; font-size: 15px; line-height: 1.2; }
.brand-text small { display: block; font-weight: 500; font-size: 11px; color: #8fa0b8; margin-top: 2px; }
.sidebar nav { padding: 6px 10px; display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px; color: var(--sidebar-ink); font-weight: 500; text-decoration: none; }
.sidebar nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.sidebar nav a.active { background: var(--sidebar-active); color: #fff; box-shadow: inset 3px 0 0 #3987e5; }
.nav-sep { font-size: 11px; color: #6c7a90; padding: 14px 12px 4px; letter-spacing: .05em; }
.sidebar-foot { margin-top: auto; padding: 14px; }
.data-badge { display: flex; gap: 10px; align-items: flex-start; background: rgba(255,255,255,.05); border-radius: 10px; padding: 10px 12px; font-size: 12px; color: #8fa0b8; }
.data-badge strong { color: #fff; font-weight: 600; }
.data-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); margin-top: 5px; box-shadow: 0 0 0 3px rgba(12,163,12,.2); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 12px; padding: 14px 28px; background: color-mix(in srgb, var(--page) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.topbar-title h1 { font-size: 20px; }
.topbar-title p { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.icon-btn { border: 1px solid var(--border); background: var(--surface); color: var(--ink-2); border-radius: 9px; width: 36px; height: 36px; display: grid; place-items: center; cursor: pointer; }
.icon-btn:hover { color: var(--ink); border-color: var(--border-strong); }
.icon-btn.menu-btn { display: none; }
.user-chip { display: flex; align-items: center; gap: 8px; padding: 4px 10px 4px 4px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.user-name { font-weight: 600; }
.logout { color: var(--muted); font-size: 12px; margin-left: 4px; }
.content { padding: 24px 28px 40px; display: flex; flex-direction: column; gap: 20px; }
.foot { padding: 16px 28px 24px; color: var(--muted); font-size: 12px; }

/* ============ 그리드/카드 ============ */
.grid { display: grid; gap: 20px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-2-1 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.g-1-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
.span-2 { grid-column: span 2; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; min-width: 0; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-head h3 { font-size: 15px; }
.card-head p { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.card-flush { padding: 0; overflow: hidden; }
.card-flush .card-head { padding: 18px 20px 0; }
.chart-box { position: relative; height: 300px; }
.chart-box.tall { height: 380px; }
.chart-box.short { height: 220px; }

/* ============ KPI ============ */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.kpi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); opacity: .9; }
.kpi.t2::before { background: var(--s3); }
.kpi.t3::before { background: var(--s2); }
.kpi.t4::before { background: var(--s7); }
.kpi.warn::before { background: var(--crit); }
.kpi-label { color: var(--ink-2); font-size: 12.5px; font-weight: 600; }
.kpi-value { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; margin-top: 6px; line-height: 1.15; }
.kpi-value small { font-size: 14px; font-weight: 600; color: var(--ink-2); margin-left: 3px; }
.kpi-sub { color: var(--muted); font-size: 12px; margin-top: 6px; }
.meter { height: 6px; border-radius: 999px; background: var(--grid); margin-top: 10px; overflow: hidden; }
.meter span { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.delta-up { color: var(--good-ink); font-weight: 600; }
.delta-down { color: var(--crit); font-weight: 600; }

/* ============ 표 ============ */
.table-wrap { overflow: auto; max-width: 100%; }
table.tbl { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
.tbl th, .tbl td { padding: 9px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.tbl thead th { position: sticky; top: 0; background: var(--surface-2); color: var(--ink-2); font-weight: 600; font-size: 12px; white-space: nowrap; z-index: 1; }
.tbl tbody tr:hover td { background: var(--accent-soft); }
.tbl tr.subtotal td { background: var(--surface-2); font-weight: 600; }
.tbl tr.total td { background: var(--accent-soft); font-weight: 700; border-top: 2px solid var(--accent); }
.tbl th.sortable { cursor: pointer; user-select: none; }
.tbl th.sortable::after { content: " ↕"; color: var(--muted); font-size: 10px; }
.tbl th.sort-asc::after { content: " ▲"; color: var(--accent); }
.tbl th.sort-desc::after { content: " ▼"; color: var(--accent); }
.tbl .client { font-weight: 600; min-width: 180px; }
.tbl.compact th, .tbl.compact td { padding: 6px 8px; }
.tbl.bordered th, .tbl.bordered td { border-right: 1px solid var(--border); }
.tbl.center th, .tbl.center td { text-align: center; }

.pill { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--border); white-space: nowrap; }
.pill-done { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good-ink); border-color: transparent; }
.pill-doing { background: color-mix(in srgb, var(--warn) 22%, transparent); color: #8a5a00; border-color: transparent; }
:root[data-theme="dark"] .pill-doing { color: var(--warn); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .pill-doing { color: var(--warn); } }
.pill-todo { color: var(--muted); }
.pill-crit { background: color-mix(in srgb, var(--crit) 14%, transparent); color: var(--crit); border-color: transparent; }
.pill-info { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }
.tag { white-space: nowrap; display: inline-block; padding: 1px 7px; border-radius: 6px; font-size: 11.5px; font-weight: 600; }
.tag-민수 { background: color-mix(in srgb, var(--s7) 14%, transparent); color: var(--s7); }
.tag-관공서 { background: color-mix(in srgb, var(--s6) 14%, transparent); color: var(--s6); }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.rate { display: flex; align-items: center; gap: 8px; min-width: 120px; }
.rate-track { flex: 1; height: 6px; background: var(--grid); border-radius: 999px; overflow: hidden; min-width: 60px; }
.rate-track span { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.rate-num { font-variant-numeric: tabular-nums; font-size: 12px; font-weight: 600; min-width: 46px; text-align: right; }

/* 단계 진행 스테퍼 */
.stepper { display: flex; gap: 3px; }
.stepper i { width: 18px; height: 8px; border-radius: 3px; background: var(--todo); display: block; }
.stepper i.done { background: var(--good); }
.stepper i.doing { background: var(--warn); }

/* ============ 폼/버튼/필터 ============ */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 10px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink); font-weight: 600; font-size: 13.5px; cursor: pointer; text-decoration: none !important; font-family: inherit; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-danger { color: var(--crit); }
.btn-sm { padding: 6px 12px; font-size: 12.5px; border-radius: 8px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filters .grow { flex: 1; min-width: 200px; }
input[type=text], input[type=password], input[type=search], select { font-family: inherit; font-size: 13.5px; padding: 8px 12px; border-radius: 9px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--ink); width: 100%; }
select { width: auto; }
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); outline-offset: 1px; border-color: var(--accent); }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button, .seg a { border: 0; background: transparent; padding: 6px 14px; border-radius: 8px; font-weight: 600; font-size: 13px; color: var(--ink-2); cursor: pointer; font-family: inherit; text-decoration: none !important; }
.seg .on { background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
label.field { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 13px; color: var(--ink-2); }

/* ============ 알림 ============ */
.alert { border-radius: 12px; padding: 12px 16px; border: 1px solid var(--border); background: var(--surface); display: flex; gap: 10px; align-items: flex-start; }
.alert-ok { border-color: color-mix(in srgb, var(--good) 40%, transparent); background: color-mix(in srgb, var(--good) 8%, var(--surface)); }
.alert-warn { border-color: color-mix(in srgb, var(--warn) 50%, transparent); background: color-mix(in srgb, var(--warn) 10%, var(--surface)); }
.alert-err { border-color: color-mix(in srgb, var(--crit) 40%, transparent); background: color-mix(in srgb, var(--crit) 8%, var(--surface)); }
.list-plain { margin: 0; padding-left: 18px; }
.list-plain li { margin: 3px 0; }
.issue-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; max-height: 340px; overflow: auto; }
.issue-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; padding: 8px 10px; border-radius: 9px; background: var(--surface-2); }
.issue-list .ico { flex: 0 0 auto; font-weight: 800; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; color: #fff; background: var(--serious); }
.issue-list .ico.crit { background: var(--crit); }
.issue-list .ico.info { background: var(--accent); }

/* ============ 히트맵 / 스케줄 ============ */
.heat td, .heat th { padding: 6px 4px !important; }
.heat td { text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; min-width: 28px; }
.heat td.h0 { color: var(--muted); }
.sch td.m { width: 44px; height: 30px; text-align: center; font-size: 11px; padding: 2px; }
.sch td.m .cellmark { display: block; height: 22px; border-radius: 5px; line-height: 22px; color: #111; font-weight: 600; overflow: hidden; white-space: nowrap; }
.sch td.m .hatch { background-image: repeating-linear-gradient(45deg, rgba(0,0,0,.28) 0 2px, transparent 2px 6px); }
.sch th.phase { text-align: center; background: var(--accent-soft); }
.sch td.sep, .sch th.sep { width: 10px; padding: 0; border-bottom: 0; background: transparent !important; }
.legend-inline { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); align-items: center; }
.legend-inline span { display: inline-flex; align-items: center; gap: 6px; }
.legend-inline i { width: 22px; height: 12px; border-radius: 3px; display: inline-block; }

/* 엑셀 원본 뷰어 */
.xl-wrap { overflow: auto; max-height: 72vh; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
table.xl { border-collapse: collapse; font-size: 12px; color: #111; background: #fff; }
.xl td, .xl th { border: 1px solid #e1e0d9; padding: 3px 6px; white-space: pre-line; min-width: 30px; max-width: 280px; vertical-align: middle; }
.xl th { background: #f1f1ee; color: #777; font-weight: 500; position: sticky; top: 0; z-index: 2; }
.xl th.rh { position: sticky; left: 0; z-index: 1; text-align: center; }
.xl td.n { text-align: right; font-variant-numeric: tabular-nums; }
.xl td.f { color: #184f95; }
.xl td.b { font-weight: 700; }
.xl td.hatch { background-image: repeating-linear-gradient(45deg, rgba(0,0,0,.25) 0 2px, transparent 2px 6px); }

/* 업로드 */
.dropzone { border: 2px dashed var(--border-strong); border-radius: 16px; padding: 44px 20px; text-align: center; background: var(--surface-2); cursor: pointer; transition: .15s; }
.dropzone:hover, .dropzone.over { border-color: var(--accent); background: var(--accent-soft); }
.dropzone h3 { font-size: 17px; margin: 10px 0 4px; }
.dropzone p { margin: 0; color: var(--muted); }
.progress { height: 8px; background: var(--grid); border-radius: 999px; overflow: hidden; margin-top: 14px; display: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.check-ok { color: var(--good-ink); font-weight: 700; }
.check-bad { color: var(--crit); font-weight: 700; }

/* 빈 상태 */
.empty-state { text-align: center; padding: 80px 20px; color: var(--ink-2); }
.empty-state svg { color: var(--axis); }
.empty-state h2 { margin: 16px 0 8px; font-size: 20px; color: var(--ink); }
.empty-state p { margin: 0 0 20px; }

/* 로그인 */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: radial-gradient(1200px 600px at 10% -10%, #1e3a5f 0, transparent 60%), radial-gradient(900px 500px at 110% 110%, #134e3a 0, transparent 60%), #0f1b2d; }
.auth-card { width: 100%; max-width: 380px; background: var(--surface); border-radius: 18px; padding: 32px 28px; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.auth-card h1 { font-size: 20px; margin: 14px 0 4px; }
.auth-card p { margin: 0 0 22px; color: var(--muted); font-size: 13px; }
.auth-card form { display: flex; flex-direction: column; gap: 14px; }

/* 게이지 */
.gauges { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.gauge { text-align: center; }
.gauge .chart-box { height: 130px; }
.gauge-val { margin-top: -46px; font-size: 22px; font-weight: 800; position: relative; }
.gauge-lbl { font-size: 12.5px; color: var(--ink-2); font-weight: 600; margin-top: 6px; }
.gauge-sub { font-size: 11.5px; color: var(--muted); }

/* 테이블/차트 토글 */
.view-toggle { font-size: 12px; }

/* ============ 반응형 ============ */
@media (max-width: 1280px) { .g-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 1100px) {
  .g-3, .g-2-1, .g-1-2 { grid-template-columns: minmax(0, 1fr); }
  .span-2 { grid-column: auto; }
}
@media (max-width: 860px) {
  .sidebar { position: fixed; left: -260px; z-index: 50; transition: left .2s; }
  .sidebar.open { left: 0; box-shadow: 0 0 40px rgba(0,0,0,.4); }
  .icon-btn.menu-btn { display: grid; }
  .g-2, .g-4 { grid-template-columns: minmax(0, 1fr); }
  .content { padding: 16px; }
  .topbar { padding: 12px 16px; }
  .user-name, .topbar-title p, .topbar-right .btn { display: none; }
  .logout { white-space: nowrap; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .kpi { padding: 12px 14px; }
  .kpi-value { font-size: 20px; }
  .gauges { grid-template-columns: minmax(0, 1fr); }
}
@media print {
  .sidebar, .topbar, .foot { display: none; }
  .card, .kpi { box-shadow: none; break-inside: avoid; }
}