/* Theme variables: dark is default, light overrides via data-theme. */
:root,
:root[data-theme="dark"] {
  --bg: #25272c;
  --surface: #2d3036;
  --card: #202329;
  --accent: #b8f7e4;
  --accent-ink: #b8f7e4;            /* accent used as text/icon color */
  --accent-soft: rgba(184, 247, 228, 0.12);
  --accent-border: rgba(184, 247, 228, 0.45);
  --on-accent: #25272c;             /* text on accent-filled elements */
  --text: #f2f8f5;
  --muted: #9ca6a2;
  --border: #3a3e45;
  --green: #2fbf71;
  --red: #e5484d;
  --amber: #f0a63a;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

:root[data-theme="light"] {
  --bg: #fafbfa;
  --surface: #f1f5f3;
  --card: #ffffff;
  --accent: #b8f7e4;
  --accent-ink: #17795e;
  --accent-soft: rgba(23, 121, 94, 0.08);
  --accent-border: rgba(23, 121, 94, 0.35);
  --on-accent: #25272c;
  --text: #25272c;
  --muted: #68736f;
  --border: #dde5e1;
  --green: #188a52;
  --red: #d02c31;
  --amber: #b26a00;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  padding: 20px clamp(16px, 4vw, 48px) 40px;
  transition: background 0.2s ease, color 0.2s ease;
}

/* ---------- header ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 40px; height: 40px; }
.brand h1 { font-size: 18px; font-weight: 650; letter-spacing: 0.2px; }
.subtitle { color: var(--muted); font-size: 12px; }

.topbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rulebook-info { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--muted);
}
.chip strong { color: var(--text); font-weight: 600; }
.chip.ok { border-color: rgba(47, 191, 113, 0.5); color: var(--green); }
.chip.warn { border-color: rgba(240, 166, 58, 0.5); color: var(--amber); }

/* theme toggle */
.btn.icon {
  width: 34px; height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  border-radius: 9px;
}
.btn.icon svg { width: 16px; height: 16px; stroke: var(--muted); fill: none; stroke-width: 2; }
.btn.icon:hover svg { stroke: var(--text); }
:root[data-theme="dark"] .icon-moon { display: none; }
:root[data-theme="light"] .icon-sun { display: none; }

/* ---------- cards & layout ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.controls {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.control-group { display: flex; flex-direction: column; gap: 4px; }
.control-group label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.control-group input, .control-group select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  min-width: 130px;
}
.control-group input:focus, .control-group select:focus { outline: 1px solid var(--accent-border); }
.control-actions { display: flex; gap: 8px; margin-left: auto; }

.btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 550;
  cursor: pointer;
  transition: filter 0.15s, transform 0.05s;
}
.btn:hover { filter: brightness(1.08); }
:root[data-theme="dark"] .btn:hover { filter: brightness(1.25); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: wait; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.approve { background: rgba(47, 191, 113, 0.14); border-color: rgba(47, 191, 113, 0.5); color: var(--green); }
.btn.reject { background: rgba(229, 72, 77, 0.12); border-color: rgba(229, 72, 77, 0.5); color: var(--red); }

.banner {
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 13px;
  border: 1px solid;
}
.banner.info { background: var(--accent-soft); border-color: var(--accent-border); color: var(--accent-ink); }
.banner.error { background: rgba(229, 72, 77, 0.1); border-color: rgba(229, 72, 77, 0.4); color: var(--red); }
.hidden { display: none; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 1fr);
  gap: 16px;
  align-items: start;
}
.proposals-panel, .side-panel { min-width: 0; }
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.panel-head h2 { font-size: 14px; font-weight: 650; letter-spacing: 0.03em; }
.hint { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.tabs { display: flex; gap: 4px; }
.tab {
  background: none;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--muted);
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}
.tab.active { background: var(--card); border-color: var(--border); color: var(--text); }

/* ---------- proposals ---------- */
.proposals-list { display: flex; flex-direction: column; gap: 12px; }
.empty { color: var(--muted); padding: 24px; text-align: center; font-size: 13px; }

.proposal { padding: 14px 16px; }
.proposal-top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.rank {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.symbol { font-size: 18px; font-weight: 700; letter-spacing: 0.03em; }
.px { font-family: var(--mono); color: var(--muted); font-size: 13px; }

.status-badge {
  margin-left: auto;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.status-pending { background: rgba(240, 166, 58, 0.15); color: var(--amber); }
.status-approved { background: rgba(47, 191, 113, 0.15); color: var(--green); }
.status-rejected { background: rgba(229, 72, 77, 0.13); color: var(--red); }

.scorebar {
  height: 5px;
  background: var(--surface);
  border-radius: 4px;
  overflow: hidden;
  margin: 10px 0;
}
.scorebar > div { height: 100%; background: linear-gradient(90deg, var(--accent), #5bc9a0); }

.plan {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}
.plan .cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
}
.plan .cell .k { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.plan .cell .v { font-family: var(--mono); font-size: 13px; }

.why { margin: 0 0 12px; padding-left: 18px; color: var(--muted); font-size: 12.5px; }
.why li { margin-bottom: 2px; }
.why li::marker { color: var(--accent-ink); }

.decision-row { display: flex; gap: 8px; align-items: center; }
.decided { font-size: 12px; color: var(--muted); }

/* ---------- side panel ---------- */
.side-panel { display: flex; flex-direction: column; gap: 16px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}
.metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
.metric .k { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.metric .v { font-family: var(--mono); font-size: 15px; font-weight: 600; }
.metric .v.pos { color: var(--green); }
.metric .v.neg { color: var(--red); }
.bt-note { color: var(--muted); font-size: 11.5px; margin-top: 10px; }

.unread-badge {
  display: inline-block;
  background: var(--red);
  color: #fff;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 7px;
  vertical-align: 2px;
  margin-left: 4px;
}
.section-label {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 12px 0 4px;
}
.audit-row.unread .audit-detail { color: var(--text); font-weight: 550; }
.warn-text { color: var(--amber) !important; }

.audit-body { max-height: 340px; overflow-y: auto; }
.audit-row {
  display: flex;
  gap: 10px;
  padding: 6px 2px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.audit-row:last-child { border-bottom: none; }
.audit-ts { font-family: var(--mono); color: var(--muted); white-space: nowrap; }
.audit-event { font-weight: 600; white-space: nowrap; }
.audit-detail { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.foot {
  margin-top: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

/* ---------- login page ---------- */
.login-wrap {
  min-height: calc(100vh - 60px);
  display: grid;
  place-items: center;
}
.login-card {
  width: min(420px, 94vw);
  text-align: center;
  padding: 28px 28px 32px;
}
.login-logo { margin-bottom: 14px; }
.login-logo img { width: min(280px, 78%); display: block; margin: 0 auto; }
:root[data-theme="dark"] .logo-light { display: none; }
:root[data-theme="light"] .logo-dark { display: none; }

.login-title { font-size: 22px; font-weight: 700; letter-spacing: 0.14em; }
.login-tagline {
  color: var(--accent-ink);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  margin: 2px 0 14px;
}
.login-desc { color: var(--muted); font-size: 13px; margin-bottom: 20px; }

#login-form { display: flex; flex-direction: column; gap: 10px; }
#login-form input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 11px 12px;
  font-size: 14px;
  text-align: center;
}
#login-form input:focus { outline: 1px solid var(--accent-border); }
.login-btn { padding: 11px; font-size: 14px; }
.login-error { color: var(--red); font-size: 13px; margin-top: 12px; }

/* ---------- responsive: phones ---------- */
@media (max-width: 640px) {
  body { padding: 12px 12px 32px; }

  /* header stacks; status chips become a horizontal scroller */
  .topbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .brand h1 { font-size: 16px; }
  .topbar-right { flex-wrap: nowrap; align-items: center; min-width: 0; max-width: 100%; }
  .rulebook-info {
    flex: 1;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    min-width: 0;
  }
  .rulebook-info::-webkit-scrollbar { display: none; }
  .chip { white-space: nowrap; flex-shrink: 0; }

  /* controls become a 2-column grid with full-width action buttons */
  .controls { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .control-group input, .control-group select { width: 100%; min-width: 0; }
  .control-actions { grid-column: 1 / -1; margin-left: 0; }
  .control-actions .btn { flex: 1; padding: 12px; }

  /* prevent iOS focus auto-zoom: inputs must be >= 16px */
  input, select { font-size: 16px !important; }

  .panel-head { flex-wrap: wrap; gap: 6px; }
  .tabs { overflow-x: auto; max-width: 100%; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { white-space: nowrap; }

  /* proposal cards: badge stays on the title row, details drop below */
  .proposal-top .status-badge { order: 3; }
  .proposal-top .px { order: 4; width: 100%; }
  .symbol { font-size: 16px; }
  .plan { grid-template-columns: repeat(2, 1fr); }
  .decision-row .btn { flex: 1; padding: 12px; }

  .metrics { grid-template-columns: repeat(2, 1fr); }

  /* audit/alert rows wrap instead of truncating on small screens */
  .audit-row { flex-wrap: wrap; row-gap: 2px; min-width: 0; }
  .audit-detail {
    white-space: normal;
    overflow: visible;
    overflow-wrap: anywhere;   /* long JSON tokens must not widen the page */
    word-break: break-word;
    max-width: 100%;
  }

  .login-card { padding: 22px 18px 26px; }
  .login-logo img { width: min(240px, 82%); }
}

/* comfortable touch targets on touch devices */
@media (pointer: coarse) {
  .btn { min-height: 42px; }
  .btn.small { min-height: 36px; }
  .btn.icon { width: 42px; height: 42px; }
  .tab { padding: 8px 12px; }
}