/* ChurnStop dashboard — "retention ledger" aesthetic.
   Warm paper ground, ink text, deep-green accent, serif display over grotesk body. */

:root {
  --paper: #f4f0e7;
  --card: #fcfcfb;
  --ink: #1d1a16;
  --ink-2: #5d574c;
  --ink-3: #6f6858; /* WCAG AA: 4.86:1 on paper, 5.39:1 on card */
  --line: #e6e0d3;
  --line-strong: #d5cdbc;
  --accent: #0b8757;
  --accent-deep: #086a45;
  --accent-tint: #e9f4ee;
  --danger: #b3261e;
  --danger-tint: #f9eceb;
  --c-blue: #4263eb;
  --c-green: #0b8757;
  --c-amber: #b45309;
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Spline Sans", -apple-system, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, monospace;
}

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

html { -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  background-image: radial-gradient(rgba(29, 26, 22, 0.035) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}

.layout { display: flex; min-height: 100vh; }

/* ---------- sidebar ---------- */

.side {
  width: 216px; flex: none; padding: 26px 18px;
  border-right: 1px solid var(--line-strong);
  display: flex; flex-direction: column; gap: 26px;
  position: sticky; top: 0; height: 100vh;
}
.wordmark {
  font-family: var(--font-display); font-weight: 600; font-size: 23px;
  letter-spacing: -0.02em;
}
.wordmark em { font-style: italic; color: var(--accent-deep); } /* 4.5:1+ on card */
.wordmark small { display: block; font-family: var(--font-body); font-size: 10.5px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-top: 3px; }

.nav { display: flex; flex-direction: column; gap: 3px; }
.nav button {
  all: unset; cursor: pointer; padding: 9px 12px; border-radius: 9px;
  font-size: 13.5px; font-weight: 500; color: var(--ink-2);
  display: flex; align-items: center; gap: 9px;
}
.nav button:hover { background: rgba(29, 26, 22, .05); color: var(--ink); }
.nav button.on { background: var(--ink); color: var(--paper); font-weight: 600; }
.nav button .glyph { font-family: var(--font-mono); font-size: 12px; opacity: .65; width: 14px; }

.side-foot { margin-top: auto; font-size: 12px; color: var(--ink-3); border-top: 1px solid var(--line); padding-top: 14px; }
.side-foot b { display: block; color: var(--ink-2); font-weight: 600; }
.tag {
  display: inline-block; margin-top: 6px; font-size: 10px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--accent-deep);
  background: var(--accent-tint); border: 1px solid #cfe6da; padding: 2px 8px; border-radius: 99px;
}

/* ---------- main ---------- */

.main { flex: 1; padding: 30px 38px 60px; max-width: 1160px; }

.page-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; gap: 16px; flex-wrap: wrap; }
.page-head h1 { font-family: var(--font-display); font-weight: 600; font-size: 30px; letter-spacing: -0.02em; }
.page-head .sub { color: var(--ink-2); font-size: 13.5px; margin-top: 3px; }

.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 9px; overflow: hidden; background: var(--card); }
.seg button {
  all: unset; cursor: pointer; padding: 7px 14px; font-size: 12.5px; font-weight: 600;
  color: var(--ink-2); font-family: var(--font-mono);
}
.seg button + button { border-left: 1px solid var(--line); }
.seg button.on { background: var(--ink); color: var(--paper); }

/* ---------- cards & stat tiles ---------- */

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px 22px;
  box-shadow: 0 1px 2px rgba(29, 26, 22, .04);
}

.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 14px; }
@media (max-width: 1000px) { .tiles { grid-template-columns: repeat(2, 1fr); } }

.tile .k {
  font-size: 11px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 8px;
}
.tile .v { font-family: var(--font-mono); font-size: 27px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }
.tile .v.good { color: var(--accent-deep); }
.tile .v.bad { color: var(--danger); }
.tile .d { font-size: 12px; color: var(--ink-2); margin-top: 6px; }
.tile.hero { background: linear-gradient(135deg, #0d3f2c 0%, #0b8757 130%); border-color: #0d3f2c; }
.tile.hero .k { color: #9fd3ba; }
.tile.hero .v { color: #f2fbf6; font-size: 30px; }
.tile.hero .d { color: #bfe3d0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }

.chart-card h3 { font-size: 14.5px; font-weight: 600; letter-spacing: -0.01em; }
.chart-card .hint { font-size: 12px; color: var(--ink-3); margin-top: 1px; }
.chart-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; gap: 10px; }

.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

.toggle-data {
  all: unset; cursor: pointer; font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  color: var(--ink-3); border: 1px solid var(--line); border-radius: 7px; padding: 4px 9px;
}
.toggle-data:hover { color: var(--ink); border-color: var(--line-strong); }

.chart-wrap { position: relative; }
.chart-wrap svg { display: block; width: 100%; height: auto; }
.tooltip {
  position: absolute; pointer-events: none; z-index: 5; display: none;
  background: var(--ink); color: var(--paper); border-radius: 9px; padding: 8px 11px;
  font-size: 12px; line-height: 1.5; box-shadow: 0 8px 24px rgba(29, 26, 22, .25);
  min-width: 120px; transform: translate(-50%, calc(-100% - 12px));
}
.tooltip b { font-family: var(--font-mono); font-weight: 600; }
.tooltip .tt-row { display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.tooltip .tt-row i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.tooltip .tt-head { font-weight: 600; margin-bottom: 3px; color: #cfc9bc; }

/* ---------- tables ---------- */

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3); padding: 8px 10px; border-bottom: 1px solid var(--line-strong);
}
td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-family: var(--font-mono); }
.muted { color: var(--ink-3); }

.chip {
  display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 9px; border-radius: 99px;
  border: 1px solid var(--line-strong); color: var(--ink-2); white-space: nowrap;
}
.chip.saved { background: var(--accent-tint); border-color: #cfe6da; color: var(--accent-deep); }
.chip.lost { background: #f7ebe9; border-color: #eacfcb; color: var(--danger); }
.chip.info { background: #eceffc; border-color: #d4dbf7; color: #33409e; }

/* ---------- rules ---------- */

.rule-list { display: flex; flex-direction: column; gap: 12px; }
.rule-card { display: flex; gap: 16px; align-items: flex-start; }
.rule-card.off { opacity: .55; }
.rule-pri {
  flex: none; display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-3);
}
.rule-pri button { all: unset; cursor: pointer; padding: 1px 7px; border-radius: 6px; color: var(--ink-3); }
.rule-pri button:hover { background: rgba(29,26,22,.07); color: var(--ink); }
.rule-body { flex: 1; }
.rule-name { font-weight: 600; font-size: 14.5px; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.iff { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; align-items: center; }
.iff .kw { font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: .08em; color: var(--ink-3); }
.cond {
  font-size: 12px; font-weight: 500; background: var(--paper); border: 1px solid var(--line);
  border-radius: 7px; padding: 3px 9px;
}
.cond.then { background: var(--accent-tint); border-color: #cfe6da; color: var(--accent-deep); font-weight: 600; }
.rule-actions { display: flex; gap: 6px; flex: none; align-items: center; }

.btn {
  all: unset; cursor: pointer; font-weight: 600; font-size: 13px; border-radius: 9px;
  padding: 9px 16px; text-align: center;
}
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: #000; }
.btn.accent { background: var(--accent); color: #fff; }
.btn.accent:hover { background: var(--accent-deep); }
.btn.quiet { border: 1px solid var(--line-strong); color: var(--ink-2); background: var(--card); }
.btn.quiet:hover { color: var(--ink); }
.btn.danger-quiet { border: 1px solid var(--line-strong); color: var(--danger); background: var(--card); }
.btn.sm { padding: 6px 11px; font-size: 12px; }

.switch { position: relative; width: 36px; height: 21px; flex: none; cursor: pointer; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch i {
  position: absolute; inset: 0; background: var(--line-strong); border-radius: 99px; transition: background .15s;
}
.switch i::after {
  content: ""; position: absolute; top: 2.5px; left: 2.5px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.switch input:checked + i { background: var(--accent); }
.switch input:checked + i::after { transform: translateX(15px); }

/* ---------- forms ---------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
@media (max-width: 900px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 11px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 5px; }
.field input[type="text"], .field input[type="number"], .field input[type="url"], .field input[type="password"], .field select, .field textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: 9px;
  font: inherit; font-size: 13.5px; background: var(--card); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.field .note { font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.span2 { grid-column: 1 / -1; }

.checks { display: flex; flex-wrap: wrap; gap: 7px; }
.checks label {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 500;
  border: 1px solid var(--line-strong); border-radius: 99px; padding: 5px 12px; cursor: pointer;
  background: var(--card); text-transform: none; letter-spacing: 0; color: var(--ink-2); margin: 0;
}
.checks label:has(input:checked) { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.checks input { accent-color: var(--accent); display: none; }

.editor { border: 1px solid var(--line-strong); background: var(--card); border-radius: var(--radius); padding: 22px; margin-bottom: 14px; }
.editor h3 { font-family: var(--font-display); font-size: 19px; font-weight: 600; margin-bottom: 16px; }
.editor .sect { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--accent-deep); margin: 18px 0 10px; }

.snippet {
  background: #211d18; color: #e8e2d4; border-radius: 11px; padding: 16px 18px;
  font-family: var(--font-mono); font-size: 12px; line-height: 1.65; overflow-x: auto;
  position: relative; white-space: pre;
}
.snippet .cm { color: #8d8574; }
.snippet .st { color: #a3d9b1; }
.copy-btn {
  position: absolute; top: 10px; right: 10px; all: unset; cursor: pointer;
  position: absolute; font-size: 11px; font-weight: 600; color: #b5ac99;
  border: 1px solid #3b362d; padding: 3px 9px; border-radius: 6px; font-family: var(--font-body);
}
.copy-btn:hover { color: #fff; }

.row { display: flex; gap: 10px; align-items: center; }
.spread { justify-content: space-between; }
.stack-v { display: flex; flex-direction: column; gap: 14px; }
.mt { margin-top: 14px; }
.mb { margin-bottom: 14px; }

.reason-row { display: grid; grid-template-columns: 1fr 2fr auto auto; gap: 9px; align-items: center; }
.reason-row .del { all: unset; cursor: pointer; color: var(--ink-3); padding: 4px 8px; border-radius: 6px; }
.reason-row .del:hover { color: var(--danger); background: rgba(179,38,30,.07); }
.check-inline { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.check-inline input { accent-color: var(--accent); width: 15px; height: 15px; }

.empty {
  text-align: center; padding: 44px 20px; color: var(--ink-3); font-size: 13.5px;
  border: 1.5px dashed var(--line-strong); border-radius: var(--radius);
}

/* ---------- auth ---------- */

.auth-wrap {
  min-height: 100vh; width: 100%; display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.auth-card { width: 100%; max-width: 380px; padding: 30px 28px; }
.auth-error { color: var(--danger); font-size: 12.5px; min-height: 18px; margin-bottom: 2px; }

/* ---------- banner & workspace ---------- */

.banner {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: #fdf6e3; border: 1px solid #eadfa8; border-radius: var(--radius);
  padding: 13px 18px; font-size: 13px; color: #6b5d1f; margin-bottom: 14px;
}
.workspace-sel {
  width: 100%; margin-bottom: 10px; padding: 6px 8px; font: inherit; font-size: 12.5px;
  border: 1px solid var(--line-strong); border-radius: 8px; background: var(--card); color: var(--ink);
}

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 10px;
  font-size: 13px; font-weight: 500; box-shadow: 0 10px 30px rgba(29,26,22,.3);
  opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none; z-index: 50;
}
.toast.on { opacity: 1; transform: translateX(-50%) translateY(-4px); }