/* ============================================================
   cs.aigeb.cn 公开 SSH 连接页 — Terminal CLI 风格
   ============================================================ */

[hidden] { display: none !important; }

:root {
  --bg: #050505;
  --fg-primary: #33FF00;
  --fg-amber: #FFB000;
  --fg-muted: #1A3D1A;
  --fg-dim: #9BE58A;
  --fg-error: #FF3333;
  --border: #33FF00;
  --panel: #0A0F0A;
  --font-mono: 'JetBrains Mono', 'Courier New', ui-monospace, monospace;
  --glow: 0 0 10px rgba(51, 255, 0, .45);
}

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

body {
  background: var(--bg);
  color: var(--fg-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100dvh;
}

.dollar { color: var(--fg-amber); }
.dim { color: var(--fg-muted); }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--fg-muted);
}
.brand { color: var(--fg-primary); text-decoration: none; font-weight: 700; }
.topbar .beijing-clock {
  margin-left: auto;
  font-size: 11px;
  color: var(--fg-dim);
  white-space: nowrap;
  letter-spacing: .04em;
}
.badge {
  font-size: 11px;
  color: var(--fg-amber);
  border: 1px solid var(--fg-amber);
  padding: 1px 8px;
  letter-spacing: .08em;
}

/* ---------- 表单 ---------- */
.form-wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 24px 16px 48px;
}
.form-box {
  width: 100%;
  max-width: 460px;
  border: 1px solid var(--border);
  box-shadow: 0 0 60px rgba(51, 255, 0, .10);
  background: var(--panel);
  padding: 22px 18px;
}
.banner {
  font-size: 11px;
  line-height: 1.4;
  color: var(--fg-amber);
  overflow: hidden;
  margin-bottom: 14px;
}
.hint { font-size: 12px; color: var(--fg-dim); margin-bottom: 18px; }
.hint b { color: var(--fg-primary); }

form label {
  display: block;
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: .06em;
  margin: 12px 0 4px;
}
form input, form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--fg-muted);
  color: var(--fg-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 9px 10px;
  outline: none;
}
form input:focus, form textarea:focus { border-color: var(--border); box-shadow: var(--glow); }
form textarea { resize: vertical; }

.row { display: flex; gap: 10px; }
.col { flex: 1; }

.seg { display: flex; }
.seg button {
  flex: 1;
  background: transparent;
  border: 1px solid var(--fg-muted);
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 0;
  cursor: pointer;
}
.seg button.on {
  background: var(--fg-primary);
  color: var(--bg);
  border-color: var(--border);
  font-weight: 700;
}

.btn {
  width: 100%;
  margin-top: 18px;
  background: var(--fg-primary);
  color: var(--bg);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 11px 0;
  cursor: pointer;
  box-shadow: var(--glow);
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: translateY(1px); }

.err-msg { color: var(--fg-error); font-size: 13px; min-height: 20px; margin-top: 10px; }

.foot {
  margin-top: 18px;
  font-size: 11px;
  color: var(--fg-muted);
  text-align: center;
}

/* ---------- 终端视图 ---------- */
.term-wrap {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - 44px - 30px);
}
.term-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--fg-muted);
  font-size: 12px;
  color: var(--fg-dim);
  white-space: nowrap;
  overflow: hidden;
}
.mini-btn {
  background: transparent;
  border: 1px solid var(--fg-error);
  color: var(--fg-error);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 10px;
  cursor: pointer;
  flex-shrink: 0;
}
.mini-btn:hover { background: var(--fg-error); color: var(--bg); }
#termHolder { flex: 1; min-height: 0; padding: 2px; }
#termHolder .xterm { height: 100%; }

/* ---------- 模式切换 ---------- */
.mode-seg { width: 236px; flex-shrink: 0; }
.mode-seg button { font-size: 12px; padding: 6px 0; }

/* ---------- 账号视图 ---------- */
.auth-seg { margin-bottom: 4px; }

.code-row { display: flex; gap: 8px; align-items: stretch; }
.code-row input { flex: 1; }
.send-code {
  background: transparent;
  border: 1px solid var(--fg-muted);
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 0 12px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.send-code:hover { border-color: var(--border); color: var(--fg-primary); }
.send-code:disabled { opacity: .5; cursor: not-allowed; }

.whoami {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-dim);
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.whoami b { color: var(--fg-primary); }
.whoami .mini-btn { margin-left: auto; }

.server-list { display: flex; flex-direction: column; gap: 10px; margin: 14px 0; }
.server-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--fg-muted);
  padding: 10px 12px;
}
.server-name { font-size: 13px; color: var(--fg-primary); font-weight: 700; word-break: break-all; }
.server-meta { font-size: 11px; color: var(--fg-dim); margin-top: 2px; word-break: break-all; }
.server-actions { display: flex; gap: 6px; flex-shrink: 0; }

.mini-btn.ok { border-color: var(--fg-primary); color: var(--fg-primary); }
.mini-btn.ok:hover { background: var(--fg-primary); color: var(--bg); }
.mini-btn.neutral { border-color: var(--fg-amber); color: var(--fg-amber); }
.mini-btn.neutral:hover { background: var(--fg-amber); color: var(--bg); }
.mini-btn.danger { border-color: var(--fg-error); color: var(--fg-error); }
.mini-btn.danger:hover { background: var(--fg-error); color: var(--bg); }

.btn.outline {
  background: transparent;
  color: var(--fg-primary);
  box-shadow: none;
}
.btn.outline:hover { background: var(--fg-primary); color: var(--bg); }

.form-actions { display: flex; gap: 10px; }
.form-actions .btn { flex: 1; }

.empty { font-size: 12px; color: var(--fg-muted); text-align: center; padding: 12px 0; }

/* ---------- 页脚状态条 ---------- */
.page-foot {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 11px;
  color: var(--fg-dim);
  background: var(--panel);
  border-top: 1px solid var(--fg-muted);
  z-index: 10;
}
.page-foot b { color: var(--fg-primary); }

/* 窄屏：mode-seg 换行占满整行，避免与时钟挤压 */
@media (max-width: 480px) {
  .mode-seg { flex: 1 1 100%; width: auto; }
}

/* 触屏设备：禁用普通文本点按选中/长按弹出复制菜单，保留输入框与终端可选 */
@media (hover: none) and (pointer: coarse) {
  body {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
  }
  input, textarea, .xterm, [contenteditable] {
    -webkit-user-select: text;
    user-select: text;
    -webkit-touch-callout: default;
  }
}