/* Base tokens */
:root{
  --radius: 14px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.15);
  --shadow-sm: 0 4px 14px rgba(0,0,0,.12);
  --ring: 0 0 0 3px rgba(59,130,246,.25);
}

/* Light Theme */
:root[data-theme="light"]{
  --bg: #f6f7fb;
  --panel: #ffffff;
  --panel-2: #f4f5f8;
  --muted: #6b7280;
  --text: #0f172a;
  --primary: #2563eb;
  --primary-700:#1d4ed8;
  --success:#10b981;
  --warn:#f59e0b;
  --danger:#ef4444;
  --outline:#e5e7eb;
  --outline-strong:#d1d5db;
}

/* Dark Theme (default) */
:root,
:root[data-theme="dark"]{
  --bg: #0b0e14;
  --panel: #11151f;
  --panel-2: #0f141c;
  --muted: #9aa2b1;
  --text: #e5e7eb;
  --primary: #3b82f6;
  --primary-700:#2563eb;
  --success:#10b981;
  --warn:#f59e0b;
  --danger:#ef4444;
  --outline:#1f2937;
  --outline-strong:#111827;
}

*{ box-sizing:border-box }
html,body{height:100%}
body{
  margin:0;
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans";
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(59,130,246,.08), transparent 60%),
    var(--bg);
}

/* Layout */
.app{
  display:grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: 64px 1fr;
  grid-template-areas: "sidebar header" "sidebar main";
  min-height:100vh;
}
.sidebar{ grid-area: sidebar; position:sticky; top:0; height:100vh; background: linear-gradient(180deg, var(--panel), var(--panel-2)); border-right:1px solid var(--outline); padding:12px; }
.header{ grid-area: header; display:flex; align-items:center; justify-content:space-between; padding:12px 16px; border-bottom:1px solid var(--outline); background: color-mix(in srgb, var(--panel) 75%, transparent); backdrop-filter: blur(8px); position:sticky; top:0; z-index:50;}
.main{ grid-area: main; padding:20px; }

.logo{display:flex; gap:10px; align-items:center; padding:10px 12px; border-radius: var(--radius-sm);}
.logo svg{width:22px; height:22px}
.logo strong{letter-spacing:.3px; font-weight:700}

.search{display:flex; gap:10px; align-items:center; background:var(--panel); border:1px solid var(--outline); border-radius:12px; padding:8px 12px; min-width:360px; box-shadow: var(--shadow-sm);}
.search input{border:0; outline:0; background:transparent; color:var(--text); width:100%}
.search kbd{font-size:12px; color:var(--muted); border:1px solid var(--outline); padding:2px 6px; border-radius:6px}

.user{display:flex; gap:10px; align-items:center}
.avatar{width:28px; height:28px; border-radius:999px; background:linear-gradient(135deg, #60a5fa, #22d3ee)}

.nav{margin-top:12px; display:flex; flex-direction:column; gap:6px}
.nav a{
  display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:12px;
  color:var(--text); text-decoration:none; border:1px solid transparent;
}
.nav a:hover{ background:color-mix(in srgb, var(--primary) 10%, transparent); border-color:color-mix(in srgb, var(--primary) 30%, transparent) }
.nav a.active{ background:linear-gradient(180deg, color-mix(in srgb, var(--primary) 18%, transparent), color-mix(in srgb, var(--primary) 10%, transparent)); border-color: color-mix(in srgb, var(--primary) 35%, transparent) }
.nav svg{width:18px; height:18px; opacity:.9}

.page-title{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:16px}
h1{font-size:20px; margin:0}
.breadcrumbs{font-size:12px; color:var(--muted)}

.grid{ display:grid; gap:16px }
.grid.cols-2{ grid-template-columns: 1fr 1fr }
.grid.cols-3{ grid-template-columns: repeat(3, 1fr) }
.grid.cols-4{ grid-template-columns: repeat(4, 1fr) }

.card{
  background: linear-gradient(180deg, color-mix(in srgb, #fff 2%, transparent), transparent), var(--panel);
  border:1px solid var(--outline);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}
.card.header{display:flex; align-items:center; justify-content:space-between}

.kpi{display:flex; align-items:center; justify-content:space-between}
.kpi h3{margin:0; font-size:13px; color:var(--muted)}
.kpi .value{font-size:22px; font-weight:700; letter-spacing:.2px}

.btn{
  appearance:none; border:1px solid var(--outline); background: linear-gradient(180deg, color-mix(in srgb, #fff 2%, transparent), transparent), var(--panel);
  color:var(--text); padding:8px 12px; border-radius:12px; cursor:pointer; box-shadow: var(--shadow-sm);
}
.btn:hover{ filter:brightness(1.05)}
.btn.primary{ background: linear-gradient(180deg, var(--primary), var(--primary-700)); border-color: transparent; box-shadow: 0 8px 30px color-mix(in srgb, var(--primary) 28%, transparent) }
.btn.success{ background: linear-gradient(180deg, var(--success), #0ea371); border-color: transparent }
.btn.danger{ background: linear-gradient(180deg, var(--danger), #b91c1c); border-color: transparent }

.input, .select{
  width:100%; padding:10px 12px; border:1px solid var(--outline); border-radius:12px; background:var(--panel); color:var(--text);
  box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 2%, transparent), inset 0 -1px 0 color-mix(in srgb, #000 40%, transparent);
}
.input:focus, .select:focus{ outline: none; box-shadow: var(--ring) }

.table{
  width:100%; border-collapse: collapse; overflow:hidden; border-radius: 12px; border:1px solid var(--outline);
}
.table th, .table td{ text-align:left; padding:10px 12px; border-bottom:1px solid var(--outline) }
.table th{ color:var(--muted); font-weight:600; font-size:12px; letter-spacing:.2px }
.table tr:hover td{ background: color-mix(in srgb, #fff 3%, transparent) }

.badge{font-size:11px; padding:4px 8px; border-radius:999px; border:1px solid var(--outline); background:var(--panel)}
.badge.green{background:color-mix(in srgb, var(--success) 12%, transparent); border-color:color-mix(in srgb, var(--success) 40%, transparent)}
.badge.orange{background:color-mix(in srgb, var(--warn) 12%, transparent); border-color:color-mix(in srgb, var(--warn) 40%, transparent)}
.badge.red{background:color-mix(in srgb, var(--danger) 12%, transparent); border-color:color-mix(in srgb, var(--danger) 40%, transparent)}

.toolbar{display:flex; gap:8px; align-items:center; flex-wrap:wrap}
.field{display:grid; gap:6px}

.split{display:grid; grid-template-columns: 1.2fr .8fr; gap:16px}

.footer-hint{margin-top:10px; font-size:12px; color:var(--muted)}

@media (max-width: 980px){
  .app{ grid-template-columns: 1fr; grid-template-rows: 64px auto 1fr; grid-template-areas: "header" "sidebar" "main"; }
  .sidebar{ height:auto; position:relative; border-right:0; border-bottom:1px solid var(--outline); border-radius: 0 0 16px 16px; }
  .search{ min-width: auto; width: 56% }
  .grid.cols-3{ grid-template-columns: 1fr }
  .grid.cols-4{ grid-template-columns: 1fr }
  .split{ grid-template-columns: 1fr }
}

/* Modal + Toast */
.modal{ position: fixed; inset:0; background: rgba(0,0,0,.5); display:none; align-items:center; justify-content:center; z-index:100 }
:root[data-theme="light"] .modal{ background: rgba(0,0,0,.35); }
.modal .panel{ background:var(--panel); border:1px solid var(--outline); border-radius:16px; padding:16px; width:min(560px, 92vw); box-shadow: var(--shadow)}
.toast{ position: fixed; right:16px; bottom:16px; padding:12px 14px; border-radius:12px; background:var(--panel); border:1px solid var(--outline); display:none; box-shadow: var(--shadow) }


/* Easing + motion guard */
:root {
    --ease-smooth: cubic-bezier(.22,1,.36,1);
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Page enter animation */
.main {
    animation: page-enter 220ms var(--ease-smooth) both;
}

@keyframes page-enter {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade-out when leaving */
body.leaving .main {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 160ms var(--ease-smooth), transform 200ms var(--ease-smooth);
    filter: saturate(.9);
}

/* Top progress bar */
#routebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--primary,#4a68ff), color-mix(in oklab, var(--primary,#4a68ff), white 25%));
    z-index: 5000;
    box-shadow: 0 0 0 1px rgba(0,0,0,.02);
    transition: width .25s ease, opacity .25s ease;
}

body.leaving #routebar {
    width: 80%;
}

body.route-done #routebar {
    width: 100%;
    opacity: 0;
}

/* Don’t animate in print */
@media print {
    #routebar, .main {
        animation: none !important;
    }
}