:root{
  --bg:#f8f9fc;
  --card:#ffffff;
  --text:#0b1020;
  --muted:#667085;
  --border:#e5e7eb;
  --accent:#2563eb;
  --accent-light: color-mix(in srgb, var(--accent) 12%, transparent);
  --danger:#ef4444;
  --warn:#f59e0b;
  --ok:#16a34a;
  --shadow: 0 1px 3px rgba(2,6,23,.04), 0 10px 25px rgba(2,6,23,.06);
  --radius: 14px;
  --transition: .2s cubic-bezier(.4,0,.2,1);
}

html[data-theme="dark"]{
  --bg:#0b1020;
  --card:#111827;
  --text:#f9fafb;
  --muted:#9ca3af;
  --border:#253049;
  --accent:#60a5fa;
  --accent-light: color-mix(in srgb, var(--accent) 14%, transparent);
  --danger:#f87171;
  --warn:#fbbf24;
  --ok:#34d399;
  --shadow: 0 1px 3px rgba(0,0,0,.2), 0 10px 25px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }

::selection{
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}

/* Smooth scrolling */
html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}

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

a:hover{ text-decoration:underline; }

.container{
  max-width: 1150px;
  margin: 18px auto;
  padding: 0 14px;
}

/* App shell layout (sidebar + content) */
.appShell{
  display:flex;
  min-height: 100vh;
}

.sidebar{
  width: 240px;
  background: var(--card);
  border-right: 1px solid var(--border);
  height: 100vh;
  position: sticky;
  top: 0;
  display:flex;
  flex-direction: column;
  z-index: 30;
  transition: width var(--transition);
}

.sidebarHeader{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
}

.brandText{
  font-weight: 800;
  letter-spacing: .2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebarCollapse{
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 10px;
  padding: 6px 8px;
  cursor:pointer;
  transition: background var(--transition), border-color var(--transition);
}
.sidebarCollapse:hover{
  background: var(--accent-light);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}

.sidebarNav{
  padding: 10px 8px;
  display:flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

.sidebarNav a{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--text);
  border: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.sidebarNav a:hover{
  text-decoration:none;
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  transform: translateX(2px);
}

.sidebarNav a.active{
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  text-decoration:none;
}

.navIcon{
  width: 22px;
  text-align:center;
}

.mainArea{
  flex:1;
  display:flex;
  flex-direction: column;
  min-width: 0;
}

.mainContent{
  flex:1;
}

.topbar{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 14px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}


.brandLink{
  display:flex;
  align-items:center;
  gap:8px;
  color:inherit;
  text-decoration:none;
}
.brandLogo{
  height:28px;
  width:auto;
  object-fit:contain;
}

.navToggle{
  display:none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 10px;
  padding: 6px 10px;
  cursor:pointer;
}

/* Collapsed sidebar */
body.nav-collapsed .sidebar{ width: 64px; }
body.nav-collapsed .brandText{ display:none; }
body.nav-collapsed .navLabel{ display:none; }
body.nav-collapsed .sidebarHeader{ justify-content:center; }
body.nav-collapsed .brandLogo{ margin: 0 auto; }

.spacer{ flex:1; }

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 13px;
  text-decoration:none;
}

.pill.warn{
  border-color: color-mix(in srgb, var(--warn) 40%, var(--border));
  background: color-mix(in srgb, var(--warn) 12%, var(--card));
}
.pill.ok{
  border-color: color-mix(in srgb, var(--ok) 40%, var(--border));
  background: color-mix(in srgb, var(--ok) 12%, var(--card));
}
.pill.danger{
  border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
  background: color-mix(in srgb, var(--danger) 12%, var(--card));
}

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 14px;
}

.row{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.card:hover{
  box-shadow: 0 2px 6px rgba(2,6,23,.06), 0 12px 30px rgba(2,6,23,.09);
}

h2{ margin:0 0 10px 0; font-size: 18px; font-weight: 700; letter-spacing: -.01em; }

h3{ margin: 0 0 10px 0; font-size: 16px; font-weight: 600; letter-spacing: -.01em; }

label{
  display:block;
  font-size: 13px;
  color: var(--muted);
  margin: 10px 0 6px;
}

input, select, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card) 92%, var(--bg));
  color: var(--text);
  outline:none;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-size: 14px;
}

input:focus, select:focus, textarea:focus{
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

input::placeholder, textarea::placeholder{
  color: var(--muted);
  opacity: .65;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 60%, var(--border));
  background: var(--accent);
  color: white;
  cursor:pointer;
  text-decoration:none;
  font-weight: 700;
  font-size: 14px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.btn:disabled,
button:disabled{
  opacity: .6;
  cursor: not-allowed;
  transform: none !important;
}

.btn:hover{
  filter: brightness(1.08);
  text-decoration:none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 25%, transparent);
}
.btn:active{
  transform: translateY(0);
  filter: brightness(.95);
}

.btn.secondary{
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn.secondary:hover{
  background: var(--accent-light);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  box-shadow: none;
}

.btn.danger{
  background: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 70%, var(--border));
  color: white;
}
.btn.danger:hover{
  box-shadow: 0 4px 12px color-mix(in srgb, var(--danger) 25%, transparent);
}

.btn.ok, .btn.success{
  background: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 70%, var(--border));
  color: white;
}
.btn.ok:hover, .btn.success:hover{
  box-shadow: 0 4px 12px color-mix(in srgb, var(--ok) 25%, transparent);
}

.badge{
  display:inline-flex;
  align-items:center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--muted);
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  transition: background var(--transition);
}

.badge.low{
  border-color: color-mix(in srgb, var(--warn) 50%, var(--border));
  background: color-mix(in srgb, var(--warn) 10%, var(--card));
  color: var(--text);
}
.badge.neg{
  border-color: color-mix(in srgb, var(--danger) 50%, var(--border));
  background: color-mix(in srgb, var(--danger) 10%, var(--card));
  color: var(--text);
}
.badge.ok, .badge.success{
  border-color: color-mix(in srgb, var(--ok) 50%, var(--border));
  background: color-mix(in srgb, var(--ok) 10%, var(--card));
  color: var(--text);
}

.notice{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--card));
}

.notice.warn{
  border-color: color-mix(in srgb, var(--warn) 40%, var(--border));
  background: color-mix(in srgb, var(--warn) 12%, var(--card));
}

.notice.ok{
  border-color: color-mix(in srgb, var(--ok) 40%, var(--border));
  background: color-mix(in srgb, var(--ok) 12%, var(--card));
}

.notice.danger,
.notice.bad{
  border-color: color-mix(in srgb, var(--danger) 40%, var(--border));
  background: color-mix(in srgb, var(--danger) 12%, var(--card));
}

.muted{ color: var(--muted); font-size: 13px; }

table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
}

thead th{
  text-align:left;
  font-size: 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
}

tbody td{
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  vertical-align: top;
  transition: background var(--transition);
}

tbody tr:hover{
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

/* Alternating row subtle tint */
tbody tr:nth-child(even){
  background: color-mix(in srgb, var(--bg) 40%, var(--card));
}
tbody tr:nth-child(even):hover{
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}

.colorDot{
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 2px solid var(--border);
  background: var(--dot, var(--accent));
  cursor:pointer;
}

/* Responsive sidebar (mobile) */
@media (max-width: 900px){
  .navToggle{ display:inline-flex; }
  .sidebar{
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-110%);
    transition: transform .22s cubic-bezier(.4,0,.2,1);
    box-shadow: var(--shadow);
  }
  body.nav-open .sidebar{
    transform: translateX(0);
  }
  body.nav-collapsed .sidebar{ width: 240px; }
  body.nav-collapsed .brandText{ display:inline; }
  body.nav-collapsed .navLabel{ display:inline; }
}

/* Make tables scrollable on narrow screens */
@media (max-width: 640px){
  table{ display:block; overflow-x:auto; white-space:nowrap; }
  .grid{ grid-template-columns: 1fr; }
}

/* ═══════ MODERN UTILITIES ═══════ */

/* Progress bar */
.progress{
  background: var(--border);
  border-radius: 10px;
  height: 10px;
  overflow: hidden;
}
.progress-bar{
  height: 100%;
  border-radius: 10px;
  background: var(--accent);
  transition: width .5s cubic-bezier(.4,0,.2,1);
}
.progress-bar.ok{ background: var(--ok); }
.progress-bar.danger{ background: var(--danger); }
.progress-bar.warn{ background: var(--warn); }

/* Stat cards */
.stat{
  text-align:center;
  padding: 14px 10px;
}
.stat-value{
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
}
.stat-label{
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* Empty state */
.empty-state{
  text-align:center;
  padding: 32px 20px;
  color: var(--muted);
}
.empty-state .empty-icon{
  font-size: 36px;
  margin-bottom: 8px;
  opacity: .7;
}
.empty-state p{
  margin: 0;
  font-size: 14px;
}

/* Animations */
@keyframes fadeIn{
  from{ opacity:0; transform:translateY(8px); }
  to{ opacity:1; transform:translateY(0); }
}
@keyframes slideDown{
  from{ opacity:0; max-height:0; }
  to{ opacity:1; max-height:1000px; }
}
.fade-in{
  animation: fadeIn .3s cubic-bezier(.4,0,.2,1) forwards;
}

/* Divider */
.divider{
  height: 1px;
  background: var(--border);
  border: none;
  margin: 16px 0;
}

/* Tooltip-style title */
[data-tooltip]{
  position: relative;
  cursor: help;
}
[data-tooltip]:hover::after{
  content: attr(data-tooltip);
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  font-size: 12px;
  white-space: nowrap;
  z-index: 50;
  pointer-events: none;
  animation: fadeIn .15s ease;
}

/* Flex & spacing helpers */
.flex{ display:flex; }
.flex-col{ flex-direction:column; }
.items-center{ align-items:center; }
.justify-between{ justify-content:space-between; }
.gap-xs{ gap:6px; }
.gap-sm{ gap:10px; }
.gap-md{ gap:16px; }
.gap-lg{ gap:24px; }
.text-center{ text-align:center; }
.text-right{ text-align:right; }
.fw-bold{ font-weight:700; }
.text-ok{ color: var(--ok); }
.text-danger{ color: var(--danger); }
.text-warn{ color: var(--warn); }
.text-accent{ color: var(--accent); }
.text-muted{ color: var(--muted); }
.mt-0{ margin-top: 0; }
.mt-sm{ margin-top: 10px; }
.mt-md{ margin-top: 16px; }
.mt-lg{ margin-top: 24px; }
.mb-0{ margin-bottom: 0; }
.mb-sm{ margin-bottom: 10px; }
.mb-md{ margin-bottom: 16px; }

/* Print improvements */
@media print{
  .sidebar,.topbar,.navToggle,.btn{ display:none !important; }
  .mainArea{ margin:0; }
  .card{ box-shadow:none; border:1px solid #ddd; break-inside:avoid; }
}