:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --fg: #e6edf3;
  --dim: #8b949e;
  --accent: #2ea043;
  --accent-dim: #238636;
  --danger: #f85149;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  overscroll-behavior: none;
}

.hidden { display: none !important; }

.screen { height: 100dvh; display: flex; flex-direction: column; }

/* ---------- login ---------- */
#screen-login {
  align-items: center;
  justify-content: center;
}
.login-card {
  width: min(360px, 88vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 30px;
  text-align: center;
}
.logo { font-size: 34px; font-weight: 700; letter-spacing: -1px; }
.logo span { color: var(--accent); }
.subtitle { color: var(--dim); margin: 4px 0 24px; font-size: 13px; }
#form-login input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  font-size: 15px;
  outline: none;
}
#form-login input:focus { border-color: var(--accent); }
#btn-login {
  margin-top: 12px;
  width: 100%;
  padding: 11px;
  border: none;
  border-radius: 8px;
  background: var(--accent-dim);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}
#btn-login:hover { background: var(--accent); }
.error { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 18px; }

/* ---------- header ---------- */
header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  padding-top: calc(8px + env(safe-area-inset-top));
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.brand { font-weight: 700; font-size: 16px; white-space: nowrap; }
.brand span { color: var(--accent); }
.header-title { color: var(--dim); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 560px) { .header-title { display: none; } }
#session-chips {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  flex: 1;
  scrollbar-width: none;
}
#session-chips::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--dim);
  font-size: 12px;
  white-space: nowrap;
  cursor: pointer;
  max-width: 160px;
}
.chip.active { color: #fff; border-color: var(--accent); background: rgba(46, 160, 67, .15); }
.chip.dead { opacity: .45; text-decoration: line-through; }
.chip .x {
  color: var(--dim);
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
}
.chip .x:hover { color: var(--danger); }
.header-actions { display: flex; gap: 6px; }
.header-actions button {
  background: transparent;
  color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 34px;
  height: 32px;
  font-size: 15px;
  cursor: pointer;
}
.header-actions button:hover { color: var(--fg); border-color: var(--dim); }

/* ---------- terminal ---------- */
#terminal-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  background: var(--bg);
}
#terminal-host { position: absolute; inset: 0; padding: 4px 6px; }
#conn-status {
  position: absolute;
  top: 8px;
  right: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  z-index: 5;
  pointer-events: none;
}
#conn-status[data-state="on"] { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
#conn-status[data-state="off"] { background: var(--danger); }
#conn-status[data-state="wait"] { background: #d29922; animation: pulse 1s infinite alternate; }
@keyframes pulse { from { opacity: 1; } to { opacity: .35; } }

#toast {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(22, 27, 34, .95);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  z-index: 20;
  max-width: 90vw;
}

/* ---------- quickbar ---------- */
#quickbar {
  display: flex;
  gap: 8px;
  padding: 6px 8px;
  padding-bottom: calc(6px + env(safe-area-inset-bottom));
  background: var(--panel);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  align-items: center;
}
.quick-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  flex: 1;
  scrollbar-width: none;
}
.quick-scroll::-webkit-scrollbar { display: none; }
#quickbar button {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 13px;
  font-size: 13px;
  font-family: ui-monospace, Consolas, monospace;
  white-space: nowrap;
  cursor: pointer;
}
#quickbar button:active { background: var(--accent-dim); }
#quickbar button[data-confirm] { color: var(--danger); border-color: rgba(248, 81, 73, .4); }
.quick-utils { display: flex; gap: 6px; }
.quick-utils button { padding: 7px 9px; font-family: inherit; font-size: 12px; color: var(--dim); }

/* ---------- modal ---------- */
#modal {
  position: fixed;
  inset: 0;
  background: rgba(1, 4, 9, .7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal-card {
  width: min(520px, 92vw);
  max-height: 80dvh;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.modal-card h3 { margin-bottom: 14px; font-size: 16px; }
#modal-body { overflow-y: auto; flex: 1; }
.profile-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  cursor: pointer;
}
.profile-item:hover { border-color: var(--accent); }
.profile-item .p-name { font-weight: 600; font-size: 14px; }
.profile-item .p-meta { color: var(--dim); font-size: 12px; margin-top: 2px; }
.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}
.badge.demo { background: rgba(46, 160, 67, .2); color: var(--accent); }
.badge.real { background: rgba(248, 81, 73, .2); color: var(--danger); }
.profile-item .p-go { margin-left: auto; color: var(--accent); }
.empty-hint { color: var(--dim); font-size: 13px; text-align: center; padding: 24px 0; }
.modal-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
button.ghost {
  flex: 1;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 13px;
  cursor: pointer;
}
button.ghost:hover { border-color: var(--dim); }
button.ghost.danger { color: var(--danger); }

/* xterm viewport bg match */
.xterm .xterm-viewport { background-color: var(--bg) !important; }

/* ---------- quickbar v2: two rows ---------- */
#quickbar { flex-direction: column; align-items: stretch; gap: 4px; padding-top: 5px; }
.qb-row { display: flex; gap: 6px; align-items: center; }
.qb-label {
  flex-shrink: 0; width: 20px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--dim);
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg);
}
.qb-trade-label { color: #58a6ff; border-color: rgba(88,166,255,.45); }
.qb-divider { height: 1px; background: var(--border); margin: 0 -8px; }

button.tbtn { border-color: rgba(88,166,255,.45); color: #c9d7ff; }

/* ---------- template modal ---------- */
#tpl-modal, #edit-modal {
  position: fixed; inset: 0; background: rgba(1,4,9,.72);
  display: flex; align-items: center; justify-content: center; z-index: 60;
}
.tpl-card { width: min(440px, 94vw); max-height: 86dvh; overflow-y: auto; }
.tpl-field { display: block; font-size: 12px; color: var(--dim); margin-top: 10px; }
.tpl-field input {
  width: 100%; margin-top: 4px;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 11px; font-size: 15px; outline: none;
}
.tpl-field input:focus { border-color: var(--accent); }
#tpl-preview { min-height: 18px; }

/* ---------- edit list ---------- */
.edit-row {
  display: flex; gap: 6px; align-items: center;
  padding: 7px 0; border-bottom: 1px solid rgba(48,54,61,.4);
}
.edit-row:last-child { border-bottom: none; }
.edit-tpl {
  flex: 1; font-family: ui-monospace, Consolas, monospace;
  font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  cursor: pointer; color: var(--fg);
}
.edit-tpl:hover { color: var(--accent); }