/* Ultraviolet brand (legacy-lead-gen/brand/BRAND.md): Obsidian canvas, Slate
   Violet surfaces, Electric Violet as emphasis only, Ice text, Dusk labels,
   Signal Mint reserved for the one positive KPI. Flat surfaces, no gradients. */
:root {
  --bg: #0E0B16;            /* Obsidian */
  --surface: #161127;       /* panel step between Obsidian and Slate Violet */
  --surface-2: #241E36;     /* Slate Violet: tooltips, hovers, active fields */
  --hairline: rgba(241, 238, 251, .07);
  --hairline-soft: rgba(241, 238, 251, .04);
  --ink: #F1EEFB;           /* Ice */
  --ink-2: #A79FBC;
  --dusk: #7A7490;          /* Dusk: labels, captions */
  --violet: #8B6CFF;        /* Electric Violet */
  --mint: #57D9A3;          /* Signal Mint: positive ROAS only */
  --bad: #D97676;
  --subs: #8B6CFF;
  --clicks: #2FA8A8;
  --revenue: #AD8819;
  --radius: 16px;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Sora", system-ui, sans-serif;
  font-size: 14px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
button { transition: color .18s ease, background .18s ease, border-color .18s ease, opacity .18s ease; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; }

.overline {
  font: 400 11px "Sora", sans-serif; text-transform: uppercase;
  letter-spacing: .18em; color: var(--dusk);
}

/* ---------- brand mark: the Slash ---------- */
.brand { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.brand svg { display: block; }

/* ---------- login ---------- */
.login { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 340px; display: flex; flex-direction: column; gap: 14px; padding: 48px 0; }
.login-card .brand { margin-bottom: 22px; }
.login-hint { color: var(--dusk); font-size: 12px; line-height: 1.6; margin-bottom: 10px; }
.login-card input {
  background: transparent; border: none; border-bottom: 1px solid var(--hairline);
  padding: 12px 2px; color: var(--ink); font: inherit; border-radius: 0;
  transition: border-color .18s ease;
}
.login-card input:focus { outline: none; border-bottom-color: var(--violet); }
.login-card button[type="submit"] {
  margin-top: 18px; background: var(--violet); border: none; border-radius: 10px;
  padding: 13px; color: #fff; font: 600 14px "Sora", sans-serif; cursor: pointer;
}
.login-card button[type="submit"]:hover { opacity: .9; }
.login-error { color: var(--bad); font-size: 12px; min-height: 15px; }

/* ---------- layout ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 224px; flex-shrink: 0; display: flex; flex-direction: column;
  border-right: 1px solid var(--hairline-soft); padding: 30px 20px 26px;
  position: sticky; top: 0; height: 100vh;
}
.sidebar .brand { margin-bottom: 44px; padding-left: 12px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav button {
  display: flex; align-items: center; gap: 12px; text-align: left; position: relative;
  background: none; border: none; border-radius: 10px; padding: 11px 12px;
  color: var(--dusk); font: 500 13px "Sora", sans-serif; cursor: pointer; letter-spacing: .01em;
}
.sidebar nav button svg { width: 16px; height: 16px; fill: currentColor; opacity: .85; }
.sidebar nav button[data-view="subs"] svg, .sidebar nav button[data-view="spent"] svg { fill: none; }
.sidebar nav button:hover { color: var(--ink); }
.sidebar nav button.active { color: var(--ink); background: rgba(139, 108, 255, .09); }
.sidebar nav button.active::before {
  content: ""; position: absolute; left: 0; top: 12px; bottom: 12px; width: 2px;
  background: var(--violet); transform: skewX(-14deg);
}
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; padding-left: 12px; }
.user-name { color: var(--dusk); font-size: 12px; }
.main { flex: 1; min-width: 0; padding-bottom: 30px; }
.view.hidden { display: none; }

header {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 24px 44px 22px; flex-wrap: wrap;
}
header .controls { padding: 0; }
.freshness { color: var(--dusk); font-size: 11px; letter-spacing: .04em; }

.ghost {
  background: none; border: 1px solid var(--hairline); border-radius: 9px;
  color: var(--ink-2); padding: 7px 14px; font: 500 12px "Sora", sans-serif; cursor: pointer;
}
.ghost:hover { border-color: var(--violet); color: var(--ink); }

.controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.seg { display: flex; gap: 2px; padding: 3px; background: var(--surface); border-radius: 10px; }
.seg button {
  background: none; border: none; border-radius: 7px; color: var(--dusk);
  padding: 6px 13px; font: 500 12px "Sora", sans-serif; cursor: pointer;
}
.seg button:hover { color: var(--ink); }
.seg button.active { background: var(--violet); color: #fff; }
.dates { display: flex; align-items: center; gap: 8px; }
.dates-sep { color: var(--dusk); font-size: 12px; }
.dates input {
  background: transparent; border: none; border-bottom: 1px solid var(--hairline);
  border-radius: 0; color: var(--ink-2); padding: 7px 2px; font: 12px var(--mono);
  color-scheme: dark; transition: border-color .18s ease;
}
.dates input:focus { outline: none; border-bottom-color: var(--violet); }

/* ---------- KPIs: hero row + quiet secondary row ---------- */
.kpis { padding: 6px 44px 0; }
.kpis-hero {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border-top: 1px solid var(--hairline-soft); border-bottom: 1px solid var(--hairline-soft);
}
.kpi {
  padding: 26px 26px 24px; border-left: 1px solid var(--hairline-soft);
}
.kpi:first-child { border-left: none; padding-left: 2px; }
.kpi .label { font: 400 11px "Sora", sans-serif; text-transform: uppercase; letter-spacing: .18em; color: var(--dusk); }
.kpi .value { font: 500 32px var(--mono); margin-top: 14px; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.kpi .value.mint { color: var(--mint); }
.kpi .sub { color: var(--dusk); font-size: 11px; margin-top: 7px; }
.kpis-minor { display: flex; flex-wrap: wrap; gap: 10px 42px; padding: 18px 2px 4px; }
.kpis-minor .m { font-size: 12px; color: var(--dusk); }
.kpis-minor .m b { font: 500 12px var(--mono); color: var(--ink-2); margin-left: 8px; font-variant-numeric: tabular-nums; }

/* ---------- panels ---------- */
.panel {
  background: var(--surface); border: 1px solid var(--hairline-soft); border-radius: var(--radius);
  margin: 26px 44px 0; padding: 26px 30px 24px; position: relative;
}
.panel-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 22px; flex-wrap: wrap; gap: 8px; }
.panel-head h2 {
  font: 400 11px "Sora", sans-serif; text-transform: uppercase;
  letter-spacing: .18em; color: var(--dusk);
}
.panel-note { color: var(--dusk); font-size: 11px; opacity: .8; }
.head-right { display: flex; align-items: center; gap: 16px; }
button.csv { padding: 4px 10px; font-size: 11px; border-radius: 7px; }

/* ---------- charts ---------- */
.legend { display: flex; gap: 18px; color: var(--ink-2); font-size: 12px; align-items: center; }
.legend .dot { width: 8px; height: 8px; border-radius: 2px; display: inline-block; margin-right: 7px; }
.legend-note { color: var(--dusk); font-size: 11px; }
.chart svg { display: block; width: 100%; }
.chart .grid-line { stroke: var(--hairline-soft); stroke-width: 1; }
.chart .axis-label { fill: var(--dusk); font: 10px var(--mono); }
.chart .bar { rx: 3; }
.chart .bar.provisional { opacity: .4; }
.chart .hover-zone { fill: transparent; cursor: default; }
.tooltip {
  position: fixed; z-index: 10; background: var(--surface-2); border: none;
  border-radius: 10px; padding: 12px 14px; font: 12px var(--mono); pointer-events: none;
  box-shadow: 0 14px 40px rgba(0, 0, 0, .55); min-width: 180px;
}
.tooltip .t-head { color: var(--ink); margin-bottom: 8px; font-family: "Sora", sans-serif; font-weight: 600; font-size: 12px; }
.tooltip .t-row { display: flex; justify-content: space-between; gap: 16px; padding: 1.5px 0; }
.tooltip .t-row .k { color: var(--dusk); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: right; padding: 12px 12px; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; padding-left: 2px; }
th:last-child, td:last-child { padding-right: 2px; }
th {
  color: var(--dusk); font-weight: 400; font-size: 10px; text-transform: uppercase;
  letter-spacing: .16em; border-bottom: 1px solid var(--hairline); cursor: default;
}
th.sortable { cursor: pointer; }
th.sortable:hover, th.sorted { color: var(--ink); }
td {
  border-bottom: 1px solid var(--hairline-soft); font-family: var(--mono);
  font-variant-numeric: tabular-nums; color: var(--ink-2); font-size: 12.5px;
  transition: background .18s ease;
}
td.name { font-family: "Sora", sans-serif; color: var(--ink); font-size: 13px; }
tr.total td { border-top: 1px solid var(--hairline); border-bottom: none; color: var(--ink); }
tbody tr:hover td, tr:hover td { background: rgba(36, 30, 54, .5); }
.badge { font: 400 10px "Sora", sans-serif; color: var(--dusk); margin-left: 10px; letter-spacing: .04em; }
.badge::before { content: "· "; }
.spend-input {
  background: transparent; border: none; border-bottom: 1px solid var(--hairline);
  border-radius: 0; color: var(--ink); font: 12px var(--mono); padding: 4px 2px;
  width: 84px; text-align: right; -moz-appearance: textfield; transition: border-color .18s ease;
}
.spend-input::-webkit-outer-spin-button, .spend-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.spend-input:focus { outline: none; border-bottom-color: var(--violet); }
.spend-input.saved { border-bottom-color: var(--mint); }
.muted { color: var(--dusk); }
.pos { color: var(--mint); }
.neg { color: var(--bad); }

footer { color: var(--dusk); font-size: 11px; padding: 30px 44px 34px; opacity: .75; letter-spacing: .02em; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .app { flex-direction: column; }
  .sidebar {
    width: auto; height: auto; position: static; flex-direction: row; align-items: center;
    gap: 16px; border-right: none; border-bottom: 1px solid var(--hairline-soft); padding: 14px 22px;
  }
  .sidebar .brand { margin-bottom: 0; padding-left: 0; }
  .sidebar nav { flex-direction: row; }
  .sidebar nav button.active::before { display: none; }
  .sidebar-foot { margin-top: 0; margin-left: auto; flex-direction: row; align-items: center; padding-left: 0; }
  header, .kpis, footer { padding-left: 22px; padding-right: 22px; }
  .panel { margin-left: 22px; margin-right: 22px; padding: 20px; }
  .kpis-hero { grid-template-columns: 1fr 1fr; }
  .kpi { padding: 18px 16px; }
  .kpi:nth-child(odd) { border-left: none; padding-left: 2px; }
  .kpi:nth-child(n+3) { border-top: 1px solid var(--hairline-soft); }
  .kpi .value { font-size: 24px; }
}