:root {
  --ar-font-family: "DIN 1451", "Bahnschrift", "Arial Narrow", system-ui, sans-serif;
  --ar-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ar-color-bg: #080a07;
  --ar-color-surface: rgba(19, 26, 17, 0.92);
  --ar-color-surface-muted: rgba(33, 43, 28, 0.9);
  --ar-color-border: rgba(164, 176, 128, 0.28);
  --ar-color-text: #ecf0df;
  --ar-color-text-muted: #aab096;
  --ar-color-accent: #9db36a;
  --ar-color-accent-hover: #c1d58a;
  --ar-color-ok: #8fd18f;
  --ar-color-danger: #d77b66;
  --ar-radius-md: 4px;
  --ar-radius-lg: 6px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ar-font-family);
  background:
    linear-gradient(135deg, rgba(8,10,7,.96), rgba(22,28,18,.94)),
    repeating-linear-gradient(45deg, rgba(255,255,255,.035) 0 1px, transparent 1px 12px);
  color: var(--ar-color-text);
}

.ar-app { min-height: 100vh; display: flex; flex-direction: column; }

.ar-topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: clamp(14px, 3vw, 28px) clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--ar-color-border);
}

.ar-logo {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 2px solid var(--ar-color-accent);
  background: linear-gradient(135deg, rgba(157,179,106,.18), rgba(0,0,0,.1));
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .06em;
  clip-path: polygon(12% 0, 100% 0, 100% 88%, 88% 100%, 0 100%, 0 12%);
}

.ar-heading { flex: 1 1 auto; min-width: 0; }
.ar-kicker { color: var(--ar-color-accent); letter-spacing: .22em; font-size: 12px; font-weight: 700; }
.ar-title { margin: 2px 0 0; text-transform: uppercase; letter-spacing: .06em; font-size: clamp(20px, 3vw, 30px); }

.ar-session {
  flex: 0 0 auto;
  font-family: var(--ar-mono);
  font-size: 11px;
  color: var(--ar-color-text-muted);
  text-align: right;
  line-height: 1.6;
}
.ar-session-line { display: block; }
.ar-session-user { color: var(--ar-color-accent-hover); }
.ar-session-groups { color: var(--ar-color-text-muted); }

.ar-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 16px clamp(18px, 4vw, 48px) 0;
}

.ar-tab {
  font-family: var(--ar-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 8px 16px;
  border: 1px solid var(--ar-color-border);
  background: rgba(157,179,106,.05);
  color: var(--ar-color-text-muted);
  cursor: pointer;
  border-radius: var(--ar-radius-md) var(--ar-radius-md) 0 0;
}
.ar-tab:hover { color: var(--ar-color-text); border-color: var(--ar-color-accent); }
.ar-tab.ar-tab-active {
  color: #111;
  background: var(--ar-color-accent);
  border-color: var(--ar-color-accent);
}

.ar-main-grid {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 1px;
  background: var(--ar-color-border);
  margin: 0 clamp(18px, 4vw, 48px) 18px;
  min-height: 0;
}

.ar-panel {
  background: var(--ar-color-surface);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ar-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: 12px;
  font-weight: 700;
  color: var(--ar-color-accent);
  border-bottom: 1px solid var(--ar-color-border);
}
.ar-ledger-count { color: var(--ar-color-text-muted); font-weight: 400; letter-spacing: 0; }

.ar-ledger-list {
  flex: 1 1 auto;
  overflow-y: auto;
  max-height: 62vh;
}

.ar-entry {
  display: flex;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(164, 176, 128, 0.12);
  background: none;
  color: var(--ar-color-text);
  font-family: var(--ar-mono);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}
.ar-entry:hover { background: rgba(157,179,106,.08); }
.ar-entry.ar-entry-active {
  background: rgba(157,179,106,.16);
  border-left: 3px solid var(--ar-color-accent);
  padding-left: 13px;
}
.ar-entry-id { color: var(--ar-color-accent); flex: 0 0 auto; }
.ar-entry-meta { flex: 1 1 auto; min-width: 0; }
.ar-entry-title { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ar-entry-date { display: block; color: var(--ar-color-text-muted); font-size: 11px; margin-top: 2px; }

.ar-empty {
  padding: 24px 16px;
  color: var(--ar-color-text-muted);
  font-size: 13px;
  font-family: var(--ar-mono);
}

.ar-dossier { position: relative; }
.ar-dossier-body { flex: 1 1 auto; min-height: 0; position: relative; display: flex; }
.ar-dossier-placeholder {
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  color: var(--ar-color-text-muted);
  font-family: var(--ar-mono);
  font-size: 14px;
  text-align: center;
  padding: 24px;
}
.ar-dossier-placeholder[hidden] { display: none; }
.ar-dossier-frame {
  flex: 1 1 auto;
  width: 100%;
  min-height: 62vh;
  border: 0;
  background: #fff;
}

.ar-footnote {
  font-size: 12px;
  color: var(--ar-color-text-muted);
  border-top: 1px solid var(--ar-color-border);
  padding: 12px clamp(18px, 4vw, 48px) 24px;
}

@media (max-width: 860px) {
  .ar-main-grid { grid-template-columns: 1fr; }
  .ar-topbar { flex-wrap: wrap; }
  .ar-session { text-align: left; }
}