/* ShiftOS design system — security operations theme */

:root {
  --color-bg: #f3f5f8;
  --color-surface: #ffffff;
  --color-border: #dfe4ea;

  --color-navy-900: #0b1220;
  --color-navy-800: #111c30;
  --color-navy-700: #1a2942;

  --color-primary: #1d4ed8;
  --color-primary-dark: #1638a3;
  --color-accent: #c9952c; /* security-badge gold */
  --color-accent-dark: #a87a1e;

  --color-success: #16a34a;
  --color-success-bg: #e9f8ee;
  --color-warning: #b45309;
  --color-warning-bg: #fef3e0;
  --color-danger: #dc2626;
  --color-danger-bg: #fdeaea;
  --color-muted: #64748b;

  --color-text: #182334;
  --color-text-muted: #5b6679;

  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);

  --font: -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* =========================
   Header / Navigation
   ========================= */

.app-header {
  background: linear-gradient(180deg, var(--color-navy-900), var(--color-navy-800));
  border-bottom: 3px solid var(--color-accent);
  color: #e7ebf3;
}

.app-header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: #fff;
}

.brand .brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--color-accent);
  color: var(--color-navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
}

.app-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.app-nav a {
  color: #c7d0e0;
  font-size: 0.9rem;
  padding: 7px 12px;
  border-radius: 6px;
  white-space: nowrap;
}

.app-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  text-decoration: none;
}

.app-nav a.active {
  background: var(--color-accent);
  color: var(--color-navy-900);
  font-weight: 600;
}

/* =========================
   Layout
   ========================= */

.app-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.page-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 4px 0;
  color: var(--color-navy-900);
}

.page-subtitle {
  color: var(--color-text-muted);
  margin: 0 0 20px 0;
  font-size: 0.92rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

/* =========================
   Cards / Grid
   ========================= */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card h2 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin: 0 0 10px 0;
}

.card .stat {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-navy-900);
  line-height: 1.1;
}

.card .stat-note {
  margin-top: 6px;
  font-size: 0.85rem;
}

.card .card-links {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card .card-links a {
  font-size: 0.85rem;
  font-weight: 600;
}

.section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.section h2 {
  font-size: 1.05rem;
  margin: 0 0 14px 0;
  color: var(--color-navy-900);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 10px;
}

/* =========================
   Status colors
   ========================= */

.text-ok { color: var(--color-success); }
.text-warn { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-muted { color: var(--color-text-muted); }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-ok { background: var(--color-success-bg); color: var(--color-success); }
.badge-warn { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-neutral { background: #eef1f6; color: var(--color-text-muted); }

/* =========================
   Tables
   ========================= */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 480px;
}

table.data-table th,
table.data-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

table.data-table th {
  background: #f8f9fc;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

table.data-table tbody tr:hover {
  background: #f8fafc;
}

table.data-table td.wrap,
table.data-table th.wrap {
  white-space: normal;
}

/* =========================
   Forms
   ========================= */

.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  max-width: 640px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

input[type="text"],
input[type="date"],
input[type="time"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--color-border);
  border-radius: 7px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

.field-error {
  color: var(--color-danger);
  font-size: 0.82rem;
  margin-top: 4px;
}

.field-readonly {
  padding: 9px 11px;
  border: 1px solid var(--color-border);
  border-radius: 7px;
  background: #f8f9fc;
  color: var(--color-text-muted);
  display: inline-block;
  min-width: 180px;
}

/* =========================
   Buttons
   ========================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 7px;
  border: 1px solid transparent;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover { background: var(--color-primary-dark); }

.btn-accent {
  background: var(--color-accent);
  color: var(--color-navy-900);
}

.btn-accent:hover { background: var(--color-accent-dark); }

.btn-outline {
  background: #fff;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover { background: #f3f5f8; }

.btn-sm {
  padding: 5px 11px;
  font-size: 0.8rem;
}

/* =========================
   Date / Shift Navigation  (공통 — 모든 앱에서 사용)
   ========================= */

.sft-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 10px 14px;
}

/* 날짜 화살표 + 레이블 */
.sft-date-nav { display: flex; align-items: center; gap: 6px; }
.sft-date-nav a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 6px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  color: var(--color-text); text-decoration: none; font-size: 1rem;
  transition: background .15s;
}
.sft-date-nav a:hover { background: var(--color-surface-alt); }
.sft-date-label {
  font-size: 1.15rem; font-weight: 700; min-width: 160px; text-align: center;
  color: var(--color-text);
}
.sft-date-label small {
  font-weight: 400; font-size: .8rem; color: var(--color-text-muted); margin-left: 4px;
}
/* 과거 날짜 강조 */
.sft-date-label.past { color: var(--color-accent, #f59e0b); }

/* 주간/야간 탭 */
.sft-shift-tabs {
  display: flex; border: 1px solid var(--color-border); border-radius: 8px;
  overflow: hidden; margin-left: auto;
}
.sft-shift-tab {
  padding: 7px 22px; font-size: .88rem; font-weight: 600;
  color: var(--color-text-muted); background: var(--color-surface);
  text-decoration: none; transition: background .15s, color .15s;
}
.sft-shift-tab.active        { background: var(--color-navy-700, #1e3a5f); color: #fff; }
.sft-shift-tab.night.active  { background: var(--color-navy-900); color: var(--color-accent); }
.sft-shift-tab:hover:not(.active) { background: var(--color-surface-alt); }

/* 상태 요약 칩 바 */
.sft-stat-bar { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.sft-stat-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 9px 16px;
}
.sft-stat-chip .num { font-size: 1.35rem; font-weight: 900; font-variant-numeric: tabular-nums; line-height: 1; }
.sft-stat-chip .lbl { font-size: .75rem; color: var(--color-text-muted); margin-top: 2px; }
.sft-stat-chip.ok   .num { color: #16a34a; }
.sft-stat-chip.warn .num { color: var(--color-danger, #e05555); }

/* 액션 버튼 바 */
.sft-action-bar { display: flex; gap: 10px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }

/* 버튼 변형 — btn-navy, btn-purple, btn-green */
.btn-navy   { background: var(--color-navy-700, #1e3a5f); color: #fff; border: none; }
.btn-navy:hover { background: var(--color-navy-900); }
.btn-purple { background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; border: none; }
.btn-purple:hover { opacity: .9; }
.btn-green  { background: #16a34a; color: #fff; border: none; }
.btn-green:hover { background: #15803d; }
.btn-danger { background: var(--color-danger, #e05555); color: #fff; border: none; }
.btn-danger:hover { opacity: .9; }

/* =========================
   Alerts
   ========================= */

.alert {
  padding: 11px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.alert-success { background: var(--color-success-bg); color: var(--color-success); }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); }

/* =========================
   Nav User Area & Dropdown
   ========================= */

.nav-user-area {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid rgba(255,255,255,.1);
  flex-shrink: 0;
}

/* 허브/조직 아이콘 링크 */
.nav-icon-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: .78rem;
  font-weight: 600;
  color: rgba(255,255,255,.5);
  text-decoration: none;
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.nav-icon-link:hover,
.nav-icon-link.active {
  color: var(--color-accent);
  background: rgba(201,149,44,.1);
}

/* 프로필 링크 (아바타 + 이름) */
.nav-profile-link {
  display: flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
  padding: 4px 8px 4px 4px;
  border-radius: 20px;
  transition: background .15s;
}
.nav-profile-link:hover {
  background: rgba(255,255,255,.08);
}

.nav-avatar-circle {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #1a2d47;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 900;
  flex-shrink: 0;
}

.nav-profile-name {
  font-size: .82rem;
  font-weight: 600;
  color: rgba(255,255,255,.75);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-profile-link:hover .nav-profile-name,
.nav-profile-link.active .nav-profile-name {
  color: #fff;
}

/* =========================
   햄버거 버튼 (모바일)
   ========================= */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 7px 8px;
  margin-left: auto;
  background: transparent;
  border: 1px solid rgba(201,149,44,.35);
  border-radius: 7px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: #c7d0e0;
  border-radius: 2px;
  transition: transform .22s, opacity .22s;
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================
   Responsive
   ========================= */

@media (max-width: 768px) {
  /* 햄버거 표시, 우측 영역 축소 */
  .nav-toggle { display: flex; }
  .nav-icon-link span { display: none; }
  .nav-profile-name { display: none; }
  .nav-user-area { gap: 2px; padding-left: 8px; margin-left: 6px; }

  /* 네비게이션: 기본 숨김 → open 시 드롭다운 */
  .app-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--color-navy-800);
    border-bottom: 3px solid var(--color-accent);
    flex-direction: column;
    padding: 8px 0 12px;
    gap: 2px;
    box-shadow: 0 8px 24px rgba(0,0,0,.35);
  }
  .app-nav.open { display: flex; }
  .app-nav a {
    font-size: 1rem;
    padding: 12px 20px;
    border-radius: 0;
  }
  .app-nav a.active {
    border-left: 3px solid var(--color-accent);
    background: rgba(201,149,44,.12);
    color: var(--color-accent);
  }

  /* header relative 포지셔닝 기준점 */
  .app-header { position: relative; }
  .app-header-inner { padding: 12px 14px; }
  .app-main { padding: 16px 14px 48px; }
}

@media (max-width: 640px) {
  .card .stat { font-size: 1.5rem; }
  table.data-table { font-size: 0.82rem; }
  .form-card { padding: 16px; }
  .grid { grid-template-columns: 1fr 1fr; }
}