/* ============================================================
   DRONEOPS — IMCMS Design System v4
   Primary: #0369A1  |  Sidebar: #0F172A  |  Font: Noto Sans KR
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700&display=swap');

/* ── CSS Design Tokens ────────────────────────────── */
:root {
  /* Primary */
  --ds-primary:        #0369A1;
  --ds-primary-hover:  #0284C7;
  --ds-primary-light:  #E0F2FE;
  --ds-primary-dark:   #075985;

  /* Sidebar */
  --ds-sidebar-bg:     #0F172A;
  --ds-sidebar-border: #1E293B;
  --ds-sidebar-text:   #94A3B8;
  --ds-sidebar-hover:  #1E293B;
  --ds-sidebar-active-bg: rgba(3, 105, 161, 0.15);
  --ds-sidebar-active: #38BDF8;

  /* Surface */
  --ds-bg:             #F8FAFC;
  --ds-surface:        #FFFFFF;
  --ds-surface-2:      #F1F5F9;
  --ds-border:         #E2E8F0;
  --ds-border-light:   #F1F5F9;

  /* Text */
  --ds-text-primary:   #0F172A;
  --ds-text-secondary: #475569;
  --ds-text-muted:     #94A3B8;

  /* Status */
  --ds-danger:         #DC2626;
  --ds-danger-light:   #FEE2E2;
  --ds-warning:        #D97706;
  --ds-warning-light:  #FEF3C7;
  --ds-success:        #16A34A;
  --ds-success-light:  #DCFCE7;
  --ds-info:           #0284C7;
  --ds-info-light:     #E0F2FE;

  /* Radius */
  --ds-radius-sm:      4px;
  --ds-radius:         8px;
  --ds-radius-lg:      12px;
  --ds-radius-xl:      16px;

  /* Shadow */
  --ds-shadow-xs:      0 1px 2px rgba(0,0,0,.05);
  --ds-shadow-sm:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --ds-shadow:         0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --ds-shadow-md:      0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.05);

  /* Sidebar width */
  --sidebar-w:         240px;
}

/* ── Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { font-size: 16.8px; }  /* 14px × 120% = 16.8px */

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--ds-bg);
  color: var(--ds-text-primary);
  line-height: 1.6;
  margin: 0;
}

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

/* ── App Layout ───────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────── */
.ds-sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--ds-sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.ds-sidebar::-webkit-scrollbar { width: 4px; }
.ds-sidebar::-webkit-scrollbar-track { background: transparent; }
.ds-sidebar::-webkit-scrollbar-thumb { background: var(--ds-sidebar-border); border-radius: 4px; }

/* Brand */
.ds-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--ds-sidebar-border);
}
.ds-brand-icon {
  width: 36px;
  height: 36px;
  background: var(--ds-primary);
  border-radius: var(--ds-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}
.ds-brand-text {
  font-weight: 700;
  font-size: .95rem;
  color: #F1F5F9;
  letter-spacing: .5px;
}
.ds-brand-sub {
  font-size: .65rem;
  color: var(--ds-sidebar-text);
  margin-top: 1px;
}

/* Nav sections */
.ds-nav { padding: 12px 0; flex: 1; }
.ds-nav-label {
  font-size: .65rem;
  font-weight: 600;
  color: #475569;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 12px 20px 4px;
}

.ds-nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 8px 20px;
  margin: 1px 8px;
  border-radius: var(--ds-radius-sm);
  color: var(--ds-sidebar-text);
  font-size: .875rem;
  font-weight: 500;
  transition: background .15s, color .15s;
  position: relative;
}
.ds-nav-link:hover {
  background: var(--ds-sidebar-hover);
  color: #F1F5F9;
}
.ds-nav-link.active {
  background: var(--ds-sidebar-active-bg);
  color: var(--ds-sidebar-active);
}
.ds-nav-link.active::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--ds-primary);
  border-radius: 0 3px 3px 0;
}
.ds-nav-link i {
  font-size: 1rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

/* Sidebar footer */
.ds-sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--ds-sidebar-border);
}
.ds-user-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ds-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ds-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .75rem;
  flex-shrink: 0;
}
.ds-username {
  font-size: .8rem;
  color: #CBD5E1;
  font-weight: 500;
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.ds-logout {
  font-size: .75rem;
  color: var(--ds-sidebar-text);
  padding: 2px 6px;
  border-radius: var(--ds-radius-sm);
  transition: background .15s, color .15s;
}
.ds-logout:hover { background: var(--ds-danger); color: #fff; }

/* ── Main Content ─────────────────────────────────── */
.ds-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* Topbar */
.ds-topbar {
  background: var(--ds-surface);
  border-bottom: 1px solid var(--ds-border);
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.ds-breadcrumb {
  font-size: .8rem;
  color: var(--ds-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.ds-breadcrumb-sep { color: var(--ds-border); }

.ds-page {
  padding: 24px;
  flex: 1;
}

/* ── Cards ────────────────────────────────────────── */
.ds-card {
  background: var(--ds-surface);
  border-radius: var(--ds-radius);
  border: 1px solid var(--ds-border);
  box-shadow: var(--ds-shadow-xs);
}
.ds-card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--ds-border);
  font-weight: 600;
  font-size: .875rem;
  color: var(--ds-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ds-card-body { padding: 20px; }

/* Stat cards */
.ds-stat-card {
  background: var(--ds-surface);
  border-radius: var(--ds-radius);
  border: 1px solid var(--ds-border);
  padding: 20px;
  box-shadow: var(--ds-shadow-xs);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.ds-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--ds-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.ds-stat-icon.blue   { background: var(--ds-primary-light); color: var(--ds-primary); }
.ds-stat-icon.green  { background: var(--ds-success-light); color: var(--ds-success); }
.ds-stat-icon.yellow { background: var(--ds-warning-light); color: var(--ds-warning); }
.ds-stat-icon.red    { background: var(--ds-danger-light);  color: var(--ds-danger); }
.ds-stat-icon.indigo { background: #EEF2FF; color: #4F46E5; }
.ds-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ds-text-primary);
  line-height: 1;
}
.ds-stat-label {
  font-size: .75rem;
  color: var(--ds-text-muted);
  margin-top: 4px;
}

/* ── Buttons ──────────────────────────────────────── */
.ds-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--ds-radius-sm);
  font-size: .8125rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, box-shadow .15s, border-color .15s;
  font-family: inherit;
  line-height: 1.4;
  white-space: nowrap;
}
.ds-btn-primary {
  background: var(--ds-primary);
  color: #fff;
  border-color: var(--ds-primary);
}
.ds-btn-primary:hover {
  background: var(--ds-primary-hover);
  border-color: var(--ds-primary-hover);
  color: #fff;
  box-shadow: 0 2px 6px rgba(3,105,161,.35);
}
.ds-btn-outline {
  background: transparent;
  border-color: var(--ds-border);
  color: var(--ds-text-secondary);
}
.ds-btn-outline:hover {
  background: var(--ds-surface-2);
  border-color: #CBD5E1;
  color: var(--ds-text-primary);
}
.ds-btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ds-text-secondary);
}
.ds-btn-ghost:hover { background: var(--ds-surface-2); color: var(--ds-text-primary); }
.ds-btn-danger {
  background: var(--ds-danger);
  color: #fff;
  border-color: var(--ds-danger);
}
.ds-btn-danger:hover { background: #B91C1C; border-color: #B91C1C; color: #fff; }
.ds-btn-sm { padding: 5px 10px; font-size: .75rem; }
.ds-btn-lg { padding: 10px 20px; font-size: .9rem; }
.ds-btn i { font-size: .95em; }

/* ── Badges ───────────────────────────────────────── */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.ds-badge-primary { background: var(--ds-primary-light); color: var(--ds-primary-dark); }
.ds-badge-success { background: var(--ds-success-light); color: #15803D; }
.ds-badge-warning { background: var(--ds-warning-light); color: #B45309; }
.ds-badge-danger  { background: var(--ds-danger-light);  color: #B91C1C; }
.ds-badge-info    { background: var(--ds-info-light);    color: #0369A1; }
.ds-badge-neutral { background: var(--ds-surface-2);     color: var(--ds-text-secondary); }

/* Security level badges */
.ds-badge-secret       { background: #FEE2E2; color: #991B1B; }
.ds-badge-confidential { background: #FEF3C7; color: #92400E; }
.ds-badge-general      { background: #DCFCE7; color: #166534; }

/* ── Tables ───────────────────────────────────────── */
.ds-table { width: 100%; border-collapse: collapse; }
.ds-table th {
  font-size: .75rem;
  font-weight: 600;
  color: var(--ds-text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: 10px 16px;
  border-bottom: 1px solid var(--ds-border);
  background: var(--ds-surface-2);
  text-align: left;
  white-space: nowrap;
}
.ds-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--ds-border-light);
  font-size: .8125rem;
  color: var(--ds-text-primary);
  vertical-align: middle;
}
.ds-table tr:last-child td { border-bottom: none; }
.ds-table tbody tr:hover td { background: #FAFBFC; }
.ds-table-link { color: var(--ds-primary); font-weight: 500; }
.ds-table-link:hover { color: var(--ds-primary-hover); }

/* ── Forms ────────────────────────────────────────── */
.ds-form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--ds-text-secondary);
  margin-bottom: 5px;
}
.ds-input {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-sm);
  font-size: .875rem;
  font-family: inherit;
  color: var(--ds-text-primary);
  background: var(--ds-surface);
  transition: border-color .15s, box-shadow .15s;
  line-height: 1.5;
}
.ds-input:focus {
  outline: none;
  border-color: var(--ds-primary);
  box-shadow: 0 0 0 3px rgba(3,105,161,.12);
}
.ds-input::placeholder { color: var(--ds-text-muted); }
.ds-select { appearance: none; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 8px center; background-size: 16px; padding-right: 32px; }

/* ── Alerts & Flashes ─────────────────────────────── */
.ds-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--ds-radius);
  font-size: .8125rem;
  margin-bottom: 12px;
}
.ds-alert i { margin-top: 1px; flex-shrink: 0; }
.ds-alert-success { background: var(--ds-success-light); color: #166534; border: 1px solid #BBF7D0; }
.ds-alert-danger  { background: var(--ds-danger-light);  color: #991B1B; border: 1px solid #FECACA; }
.ds-alert-warning { background: var(--ds-warning-light); color: #92400E; border: 1px solid #FDE68A; }
.ds-alert-info    { background: var(--ds-info-light);    color: #075985; border: 1px solid #BAE6FD; }
.ds-alert-close { margin-left: auto; background: none; border: none; cursor: pointer; color: inherit; opacity: .6; padding: 0 4px; font-size: 1rem; }
.ds-alert-close:hover { opacity: 1; }

/* ── Page Header ──────────────────────────────────── */
.ds-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.ds-page-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ds-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ds-page-title i { color: var(--ds-primary); }
.ds-page-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ── Filter Bar ───────────────────────────────────── */
.ds-filter-bar {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  padding: 14px 16px;
  margin-bottom: 16px;
  display: flex;
  gap: 10px;
  align-items: flex-end;
  flex-wrap: wrap;
}

/* ── Pagination ───────────────────────────────────── */
.ds-pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 14px 16px;
  border-top: 1px solid var(--ds-border);
  justify-content: center;
}
.ds-page-btn {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--ds-radius-sm);
  border: 1px solid var(--ds-border);
  font-size: .75rem;
  color: var(--ds-text-secondary);
  transition: background .1s, color .1s;
  font-weight: 500;
}
.ds-page-btn:hover { background: var(--ds-surface-2); color: var(--ds-text-primary); }
.ds-page-btn.active { background: var(--ds-primary); border-color: var(--ds-primary); color: #fff; }
.ds-page-btn.disabled { opacity: .4; pointer-events: none; }

/* ── Risk / Status ────────────────────────────────── */
.ds-risk-high   { color: var(--ds-danger); }
.ds-risk-medium { color: var(--ds-warning); }
.ds-risk-low    { color: var(--ds-success); }

/* ── Progress ─────────────────────────────────────── */
.ds-progress {
  height: 6px;
  background: var(--ds-surface-2);
  border-radius: 100px;
  overflow: hidden;
}
.ds-progress-bar {
  height: 100%;
  border-radius: 100px;
  background: var(--ds-primary);
  transition: width .3s ease;
}
.ds-progress-bar.danger  { background: var(--ds-danger); }
.ds-progress-bar.warning { background: var(--ds-warning); }
.ds-progress-bar.success { background: var(--ds-success); }

/* ── Empty State ──────────────────────────────────── */
.ds-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--ds-text-muted);
}
.ds-empty i { font-size: 2.5rem; display: block; margin-bottom: 12px; opacity: .4; }
.ds-empty p { font-size: .875rem; margin-bottom: 16px; }

/* ── Login Page ───────────────────────────────────── */
.ds-login-bg {
  background: var(--ds-sidebar-bg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.ds-login-card {
  background: var(--ds-surface);
  border-radius: var(--ds-radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--ds-shadow-md);
}
.ds-login-logo {
  width: 52px; height: 52px;
  background: var(--ds-primary);
  border-radius: var(--ds-radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: #fff;
  margin: 0 auto 16px;
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  html, body { overflow-x: hidden; max-width: 100vw; }
  html, body { overflow-x: hidden; max-width: 100vw; }
  .app-shell { min-height: unset !important; height: auto !important; overflow-x: hidden; }
  .ds-main { min-height: unset !important; height: auto !important; flex: 1 1 auto !important; overflow-x: hidden; }
  .ds-page { flex: unset !important; min-height: unset !important; height: auto !important; padding-bottom: 50px; overflow-x: hidden; }
  .ds-topbar { overflow: hidden; }
  .ds-sidebar {
    display: block;
    position: fixed;
    top: 0; left: 0;
    width: 260px;
    height: 100vh;
    z-index: 1050;
    transform: translateX(-100%);
    transition: transform .25s ease;
    overflow-y: auto !important;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }
  .ds-sidebar.open { transform: translateX(0); }
  .ds-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 1040;
  }
  .ds-sidebar-overlay.open { display: block; }
  .ds-hamburger {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--ds-text);
    font-size: 1.25rem;
    cursor: pointer;
    margin-right: 8px;
  }
  .ds-page { padding: 16px; }
  .ds-topbar { padding: 0 16px; }
}
@media (min-width: 769px) {
  .ds-hamburger { display: none !important; }
  .ds-sidebar-overlay { display: none !important; }
}

/* ── Bootstrap Overrides ──────────────────────────── */
.card { border: 1px solid var(--ds-border); border-radius: var(--ds-radius); box-shadow: var(--ds-shadow-xs); }
.btn-primary { background-color: var(--ds-primary); border-color: var(--ds-primary); }
.btn-primary:hover { background-color: var(--ds-primary-hover); border-color: var(--ds-primary-hover); }
.btn-outline-primary { color: var(--ds-primary); border-color: var(--ds-primary); }
.btn-outline-primary:hover { background-color: var(--ds-primary); border-color: var(--ds-primary); }
.text-primary { color: var(--ds-primary) !important; }
.bg-primary { background-color: var(--ds-primary) !important; }
.form-control:focus { border-color: var(--ds-primary); box-shadow: 0 0 0 .2rem rgba(3,105,161,.2); }
.form-select:focus { border-color: var(--ds-primary); box-shadow: 0 0 0 .2rem rgba(3,105,161,.2); }
.nav-tabs .nav-link.active { color: var(--ds-primary); border-bottom-color: var(--ds-primary); }
.nav-tabs .nav-link:hover { color: var(--ds-primary-hover); }
.badge.bg-primary { background-color: var(--ds-primary) !important; }
.table-hover > tbody > tr:hover > * { background-color: #FAFBFC; }
.table th { font-size: .75rem; color: var(--ds-text-muted); letter-spacing: .04em; text-transform: uppercase; }

/* ── 모달 모바일 스크롤 보장 ───────────────────────── */
@media (max-width: 768px) {
  .modal-dialog { margin: 8px; max-width: calc(100vw - 16px); }
  .modal-dialog-scrollable .modal-body {
    max-height: calc(100dvh - 180px);
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
  }
  .modal-content { max-height: calc(100dvh - 16px); }
}