/* ═══════════════════════════════════════════
   V3 — SaaS-Grade Analytics Dashboard
   Inspired by Linear · Vercel · Stripe
   ═══════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────── */
:root {
  --bg-0: #09090B;
  --bg-1: #0F0F12;
  --bg-2: #18181B;
  --bg-3: #1F1F23;
  --bg-hover: #27272A;
  --bg-active: #2C2C30;

  --border-subtle: rgba(255,255,255,0.06);
  --border-default: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.14);

  --fg-0: #FAFAFA;
  --fg-1: #E4E4E7;
  --fg-2: #A1A1AA;
  --fg-3: #71717A;
  --fg-4: #52525B;
  --fg-5: #3F3F46;

  --accent: #E8B94E;
  --accent-fg: #09090B;
  --accent-dim: rgba(232,185,78,0.10);
  --accent-border: rgba(232,185,78,0.25);

  --positive: #22C55E;
  --positive-dim: rgba(34,197,94,0.10);
  --negative: #EF4444;
  --negative-dim: rgba(239,68,68,0.10);
  --blue: #3B82F6;
  --blue-dim: rgba(59,130,246,0.10);
  --purple: #8B5CF6;
  --violet: #A78BFA;

  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', 'SF Mono', 'Fira Code', monospace;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.3);

  --sidebar-w: 240px;
  --topbar-h: 56px;
}

/* ── Reset ──────────────────────────────── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{
  background:var(--bg-0);color:var(--fg-1);
  font-family:var(--sans);line-height:1.5;
  min-height:100vh;overflow-x:hidden;
}
::selection{background:var(--accent-dim);color:var(--accent)}

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

/* ── Sidebar ────────────────────────────── */
.sidebar{
  width:var(--sidebar-w);
  background:var(--bg-1);
  border-right:1px solid var(--border-subtle);
  display:flex;flex-direction:column;
  position:fixed;top:0;left:0;bottom:0;
  z-index:100;
}
.sidebar-head{
  padding:20px 16px 16px;
  border-bottom:1px solid var(--border-subtle);
}
.sidebar-brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--fg-0);
}
.sidebar-icon{
  width:32px;height:32px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),#C99A30);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:13px;color:var(--accent-fg);
  letter-spacing:-0.5px;
}
.sidebar-name{font-weight:700;font-size:14px;letter-spacing:-0.3px}
.sidebar-sub{font-size:11px;color:var(--fg-3);margin-top:1px}

.sidebar-nav{flex:1;padding:12px 8px;overflow-y:auto}
.nav-group{margin-bottom:16px}
.nav-label{
  padding:4px 12px 6px;font-size:10.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:1.2px;color:var(--fg-4);
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:8px 12px;border-radius:var(--radius-xs);
  font-size:13px;font-weight:500;color:var(--fg-2);
  cursor:pointer;transition:all 0.15s;
  text-decoration:none;
}
.nav-item:hover{background:var(--bg-hover);color:var(--fg-1)}
.nav-item.active{background:var(--bg-3);color:var(--fg-0);font-weight:600}
.nav-item .nav-icon{font-size:15px;width:20px;text-align:center;flex-shrink:0}
.nav-item .nav-badge{
  margin-left:auto;font-family:var(--mono);font-size:11px;
  font-weight:600;color:var(--fg-3);
  background:var(--bg-3);padding:1px 7px;border-radius:100px;
}
.loc-dot-nav{
  width:8px;height:8px;border-radius:50%;flex-shrink:0;
}

.sidebar-foot{
  padding:12px 16px;border-top:1px solid var(--border-subtle);
  font-size:11px;color:var(--fg-4);letter-spacing:0.5px;
}

/* ── Main ───────────────────────────────── */
.main{margin-left:var(--sidebar-w);flex:1;min-width:0}

/* ── Topbar ─────────────────────────────── */
.topbar{
  height:var(--topbar-h);
  border-bottom:1px solid var(--border-subtle);
  display:flex;align-items:center;gap:12px;
  padding:0 24px;
  position:sticky;top:0;background:var(--bg-0);
  z-index:50;
}
.topbar-title{
  font-size:14px;font-weight:600;color:var(--fg-0);
  margin-right:auto;
  display:flex;align-items:center;gap:8px;
}
.topbar-title .breadcrumb{color:var(--fg-3);font-weight:500}
.topbar-title .breadcrumb::after{content:'/';margin:0 6px;color:var(--fg-4)}

.input-date{
  background:var(--bg-2);border:1px solid var(--border-default);
  border-radius:var(--radius-xs);color:var(--fg-1);
  font-family:var(--mono);font-size:12px;font-weight:500;
  padding:7px 12px;outline:none;cursor:pointer;
  transition:border-color 0.15s,box-shadow 0.15s;
}
.input-date:hover{border-color:var(--border-hover)}
.input-date:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim)}

/* ── Buttons ────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border:1px solid var(--border-default);
  border-radius:var(--radius-xs);background:var(--bg-2);
  color:var(--fg-1);font-family:var(--sans);font-size:12.5px;
  font-weight:600;cursor:pointer;transition:all 0.15s;
  white-space:nowrap;
}
.btn:hover{background:var(--bg-3);border-color:var(--border-hover)}
.btn:active{background:var(--bg-active);transform:scale(0.98)}
.btn:disabled{opacity:0.35;cursor:not-allowed;transform:none}

.btn-accent{
  background:var(--accent);color:var(--accent-fg);
  border:none;font-weight:700;
  box-shadow:0 1px 3px rgba(232,185,78,0.2);
}
.btn-accent:hover{background:#D4A843;box-shadow:0 2px 8px rgba(232,185,78,0.3)}

.btn-success{
  background:var(--positive);color:#fff;
  border:none;font-weight:700;
}

.btn-sm{padding:5px 10px;font-size:12px;border-radius:var(--radius-xs)}

/* ── Content ────────────────────────────── */
.content{padding:24px}

/* ── Status Bar ─────────────────────────── */
.statusbar{
  display:flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--radius-sm);
  font-size:12.5px;font-weight:500;margin-bottom:20px;
}
.statusbar.ok{background:var(--positive-dim);color:var(--positive);border:1px solid rgba(34,197,94,0.15)}
.statusbar.err{background:var(--negative-dim);color:var(--negative);border:1px solid rgba(239,68,68,0.15)}
.statusbar.wait{background:var(--accent-dim);color:var(--accent);border:1px solid var(--accent-border)}
.spinner{width:13px;height:13px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Page Header ────────────────────────── */
.page-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:28px;
}
.page-head h1{
  font-size:24px;font-weight:800;color:var(--fg-0);
  letter-spacing:-0.5px;line-height:1.2;
}
.page-head .sub{
  font-size:13px;color:var(--fg-3);margin-top:4px;font-weight:500;
}
.fiscal-pill{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;background:var(--bg-2);
  border:1px solid var(--border-subtle);border-radius:100px;
  font-family:var(--mono);font-size:11px;font-weight:600;color:var(--fg-3);
}

/* ── Metric Cards ───────────────────────── */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}
.metric{
  background:var(--bg-2);border:1px solid var(--border-subtle);
  border-radius:var(--radius);padding:20px;
  transition:border-color 0.15s;position:relative;
}
.metric:hover{border-color:var(--border-hover)}
.metric .m-label{
  font-size:11px;font-weight:600;text-transform:uppercase;
  letter-spacing:0.8px;color:var(--fg-3);margin-bottom:10px;
}
.metric .m-value{
  font-family:var(--mono);font-size:28px;font-weight:700;
  color:var(--fg-0);letter-spacing:-1.2px;line-height:1;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.deltas{display:flex;gap:16px}
.delta{display:flex;flex-direction:column;gap:2px}
.delta-label{font-size:10px;font-weight:600;color:var(--fg-4);text-transform:uppercase;letter-spacing:0.5px}
.delta-val{font-family:var(--mono);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.delta-val.pos{color:var(--positive)}
.delta-val.neg{color:var(--negative)}
.delta-val.nil{color:var(--fg-4)}

/* ── Card ───────────────────────────────── */
.card{
  background:var(--bg-2);border:1px solid var(--border-subtle);
  border-radius:var(--radius);margin-bottom:16px;overflow:hidden;
  transition:border-color 0.15s;
}
.card:hover{border-color:var(--border-hover)}
.card-hd{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;border-bottom:1px solid var(--border-subtle);
}
.card-hd h3{
  font-size:12px;font-weight:700;text-transform:uppercase;
  letter-spacing:1px;color:var(--fg-3);
}
.card-bd{padding:16px 20px}

/* ── Data Table ─────────────────────────── */
.dtable{width:100%;border-collapse:collapse}
.dtable th{
  text-align:left;padding:8px 12px;font-size:10.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:0.8px;color:var(--fg-4);
  border-bottom:1px solid var(--border-subtle);position:sticky;top:0;
  background:var(--bg-2);
}
.dtable th.r{text-align:right}
.dtable td{padding:10px 12px;font-size:13px;border-bottom:1px solid rgba(255,255,255,0.025);transition:background 0.1s}
.dtable tr:hover td{background:rgba(255,255,255,0.015)}
.dtable td.r{text-align:right;font-family:var(--mono);font-weight:600;font-variant-numeric:tabular-nums}
.dtable tr:last-child td{border-bottom:none}
.dtable .row-total td{border-top:1px solid var(--border-default);font-weight:700}

.loc-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;
}
.loc-badge .dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* ── Channel Bars ───────────────────────── */
.ch-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.025)}
.ch-row:last-child{border-bottom:none}
.ch-name{width:72px;font-size:12.5px;font-weight:600;color:var(--fg-2);flex-shrink:0}
.ch-track{flex:1;height:24px;background:var(--bg-3);border-radius:4px;overflow:hidden}
.ch-fill{height:100%;border-radius:4px;transition:width 0.6s cubic-bezier(.4,0,.2,1)}
.ch-amt{width:80px;text-align:right;font-family:var(--mono);font-weight:600;font-size:13px;flex-shrink:0;font-variant-numeric:tabular-nums}
.ch-pct{width:44px;text-align:right;font-size:11.5px;color:var(--fg-3);font-weight:600;flex-shrink:0}
.ch-delta{width:60px;text-align:right;font-family:var(--mono);font-size:11.5px;font-weight:700;flex-shrink:0}

/* ── Gauge Grid ─────────────────────────── */
.gauges{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gauge{
  text-align:center;padding:16px 8px;
  background:var(--bg-3);border-radius:var(--radius-sm);
}
.gauge .g-label{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:0.8px;color:var(--fg-4);margin-bottom:12px}
.gauge-ring{width:80px;height:80px;margin:0 auto 10px;position:relative;display:flex;align-items:center;justify-content:center}
.gauge-ring svg{position:absolute;width:100%;height:100%;transform:rotate(-90deg)}
.gauge-ring svg circle{fill:none;stroke-linecap:round}
.g-bg{stroke:var(--bg-2)}
.g-fill{transition:stroke-dashoffset 0.8s cubic-bezier(.4,0,.2,1)}
.g-val{font-family:var(--mono);font-size:15px;font-weight:700;z-index:1;font-variant-numeric:tabular-nums}
.gauge .g-sub{font-family:var(--mono);font-size:11.5px;font-weight:700;margin-top:4px}

/* ── WTD Bars ───────────────────────────── */
.wtd-row{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.wtd-label{width:80px;font-size:12.5px;font-weight:600;color:var(--fg-2);flex-shrink:0}
.wtd-track{flex:1;height:28px;background:var(--bg-3);border-radius:6px;overflow:hidden}
.wtd-fill{height:100%;border-radius:6px;transition:width 0.6s cubic-bezier(.4,0,.2,1)}
.wtd-val{width:90px;text-align:right;font-family:var(--mono);font-weight:700;font-size:14px;flex-shrink:0;font-variant-numeric:tabular-nums}
.wtd-summary{text-align:right;font-size:14px;font-weight:700;margin-top:4px}

/* ── Notes ──────────────────────────────── */
.notes-area{
  width:100%;min-height:88px;background:var(--bg-1);
  border:1px solid var(--border-default);border-radius:var(--radius-sm);
  color:var(--fg-1);font-family:var(--sans);font-size:13px;
  padding:12px 14px;resize:vertical;outline:none;line-height:1.6;
  transition:border-color 0.15s,box-shadow 0.15s;
}
.notes-area:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim)}
.notes-area::placeholder{color:var(--fg-4)}

/* ── Section Headers ────────────────────── */
.sec-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:16px;padding-bottom:12px;
  border-bottom:1px solid var(--border-subtle);
}
.sec-head h2{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;color:var(--fg-0);letter-spacing:-0.3px;
}
.sec-head h2 .dot-lg{width:10px;height:10px;border-radius:50%}

.loc-block{margin-bottom:36px}

/* ── Empty State ────────────────────────── */
.empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:60vh;text-align:center;color:var(--fg-3);
}
.empty-icon{font-size:48px;margin-bottom:16px;opacity:0.5}
.empty h2{font-size:18px;font-weight:700;color:var(--fg-2);margin-bottom:6px}
.empty p{font-size:13px;max-width:320px}

/* ── Animations ─────────────────────────── */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.anim{animation:fadeIn .35s ease both}
.anim-1{animation-delay:.03s}.anim-2{animation-delay:.06s}
.anim-3{animation-delay:.09s}.anim-4{animation-delay:.12s}
.anim-5{animation-delay:.15s}.anim-6{animation-delay:.18s}

/* ── Responsive ─────────────────────────── */
@media(max-width:1024px){
  .sidebar{display:none}
  .main{margin-left:0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .gauges{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .content{padding:16px 12px}
  .metrics{grid-template-columns:1fr 1fr;gap:8px}
  .metric{padding:14px}
  .metric .m-value{font-size:22px}
  .topbar{padding:0 12px;gap:8px}
  .gauges{grid-template-columns:1fr 1fr;gap:8px}
}

@media print{
  .sidebar,.topbar,.btn{display:none!important}
  .main{margin-left:0}
  body{background:#fff;color:#111}
  .card,.metric{background:#f9f9f9;border:1px solid #ddd;break-inside:avoid}
}