:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1c232d;
  --border: #2a313c;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #d97757;
  --accent-hover: #e08a6e;
  --green: #3fb950;
  --blue: #58a6ff;
  --red: #f85149;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.spacer { flex: 1; }
.small { font-size: 0.8rem; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

button {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 0.5rem 0.9rem;
  transition: background 0.15s, border-color 0.15s;
}
button:hover { background: #232b36; }
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #1b1006;
  font-weight: 600;
}
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.ghost { background: transparent; }
button.ghost:hover { background: var(--panel-2); }
button.small { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
button.danger { color: var(--red); border-color: #4d2420; }
button.danger:hover { background: #2a1a18; }

/* Login */
.login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.login-card h1 { margin: 0; font-size: 1.3rem; }
.login-card input {
  padding: 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
.error { color: var(--red); font-size: 0.85rem; min-height: 1rem; }

/* App */
header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 5;
}
header .title { font-weight: 600; }

.controls {
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.cwd-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.cwd-row code {
  background: var(--panel-2);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.85rem;
  word-break: break-all;
}

.table-wrap { padding: 0.25rem 1.1rem 1.5rem; overflow-x: auto; }
.table-wrap.menu-open { overflow: visible; }
.empty { padding: 2rem 1.1rem; }

.sessions-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.sessions-table th,
.sessions-table td {
  text-align: left;
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  white-space: nowrap;
}
.sessions-table thead th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--panel);
}
.sessions-table tbody tr:hover { background: var(--panel); }

.row-name { font-weight: 600; }
.col-created, .col-activity { color: var(--muted); font-size: 0.82rem; }
.col-cwd code {
  display: inline-block;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
  background: var(--panel-2);
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  font-size: 0.8rem;
}
.col-actions { text-align: right; }
.col-actions button { margin-left: 0.4rem; }
.empty-row { text-align: center; padding: 1.5rem !important; }

/* Status filter (in the table header) */
.th-status { position: relative; display: inline-flex; align-items: center; gap: 0.35rem; }
.filter-btn {
  padding: 0.2rem 0.3rem;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  line-height: 0;
}
.filter-btn:hover { background: var(--panel-2); color: var(--text); }
.filter-btn.active { color: var(--accent); border-color: var(--accent); }
.filter-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.35rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem;
  z-index: 10;
  min-width: 160px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.filter-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}
.filter-row:hover { background: var(--panel-2); }
.filter-row input { accent-color: var(--accent); cursor: pointer; margin: 0; }
.filter-all {
  margin-top: 0.25rem;
  text-transform: none;
  letter-spacing: 0;
  justify-content: center;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge.fresh { background: rgba(88,166,255,0.15); color: var(--blue); }
.badge.active { background: rgba(63,185,80,0.15); color: var(--green); }
.badge.ended { background: rgba(139,148,158,0.15); color: var(--muted); }

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 20;
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.term-card { max-width: 960px; }
.modal-head { display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1rem; border-bottom: 1px solid var(--border); }
.modal-foot { display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1rem; border-top: 1px solid var(--border); }
.picker-path { padding: 0.6rem 1rem; border-bottom: 1px solid var(--border); }
.picker-path code { font-size: 0.82rem; word-break: break-all; }
.picker-list { overflow-y: auto; flex: 1; min-height: 200px; }
.picker-item {
  padding: 0.55rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--panel-2);
  font-size: 0.9rem;
}
.picker-item:hover { background: var(--panel-2); }
.picker-item::before { content: "📁  "; }

#terminal { padding: 0.5rem; background: #000; overflow: auto; }