/* SMPP 测试服务 - 管理界面样式 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ===== CSS 变量 ===== */
:root {
  /* ====== Dark 主题（默认） ====== */
  --bg-0: #0a0c10;
  --bg-1: #111318;
  --bg-2: #1a1d24;
  --bg-3: #22262f;
  --bg-hover: #2a2e38;
  --border: #2d3240;
  --border-light: #3a3f50;

  --text-primary: #e8eaf0;
  --text-secondary: #8892a4;
  --text-muted: #55607a;

  --accent: #4f8ef7;
  --accent-dim: rgba(79,142,247,0.15);
  --accent-hover: #6ba3ff;

  --green: #3ecf8e;
  --green-dim: rgba(62,207,142,0.12);
  --red: #f75f5f;
  --red-dim: rgba(247,95,95,0.12);
  --yellow: #f7c948;
  --yellow-dim: rgba(247,201,72,0.12);
  --purple: #a78bfa;
  --purple-dim: rgba(167,139,250,0.12);
  --orange: #fb923c;
  --orange-dim: rgba(251,146,60,0.12);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;

  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);

  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --transition: 0.18s ease;
}

/* ====== Terminal 主题（命令模式 - 黑客帝国风） ====== */
[data-theme="terminal"] {
  --bg-0: #000000;
  --bg-1: #0a0a0a;
  --bg-2: #0f0f0f;
  --bg-3: #141414;
  --bg-hover: #1a1a1a;
  --border: #1f3a1f;
  --border-light: #2d5a2d;

  --text-primary: #00ff41;
  --text-secondary: #39ff6f;
  --text-muted: #1a8a30;

  --accent: #00ff41;
  --accent-dim: rgba(0,255,65,0.12);
  --accent-hover: #66ff99;

  --green: #00ff41;
  --green-dim: rgba(0,255,65,0.12);
  --red: #ff3030;
  --red-dim: rgba(255,48,48,0.12);
  --yellow: #ccff00;
  --yellow-dim: rgba(204,255,0,0.12);
  --purple: #00ffcc;
  --purple-dim: rgba(0,255,204,0.12);
  --orange: #ff9900;
  --orange-dim: rgba(255,153,0,0.12);

  --shadow: 0 0 24px rgba(0,255,65,0.15);
  --shadow-sm: 0 0 8px rgba(0,255,65,0.1);

  --font: 'JetBrains Mono', 'Courier New', monospace;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
}

[data-theme="terminal"] body {
  text-shadow: 0 0 4px rgba(0,255,65,0.4);
}

[data-theme="terminal"] .header-logo .icon {
  filter: drop-shadow(0 0 4px #00ff41);
}

/* ====== Solarized Dark 主题 ====== */
[data-theme="solarized"] {
  --bg-0: #002b36;
  --bg-1: #073642;
  --bg-2: #0a4550;
  --bg-3: #0d5862;
  --bg-hover: #106270;
  --border: #155a66;
  --border-light: #1d7585;

  --text-primary: #eee8d5;
  --text-secondary: #93a1a1;
  --text-muted: #586e75;

  --accent: #268bd2;
  --accent-dim: rgba(38,139,210,0.18);
  --accent-hover: #5ab0e8;

  --green: #859900;
  --green-dim: rgba(133,153,0,0.15);
  --red: #dc322f;
  --red-dim: rgba(220,50,47,0.15);
  --yellow: #b58900;
  --yellow-dim: rgba(181,137,0,0.15);
  --purple: #6c71c4;
  --purple-dim: rgba(108,113,196,0.15);
  --orange: #cb4b16;
  --orange-dim: rgba(203,75,22,0.15);

  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
}

/* ====== Light 主题 ====== */
[data-theme="light"] {
  --bg-0: #f5f7fa;
  --bg-1: #ffffff;
  --bg-2: #f0f3f8;
  --bg-3: #e6ebf2;
  --bg-hover: #dde3ec;
  --border: #d0d7e1;
  --border-light: #b8c1cf;

  --text-primary: #1a2332;
  --text-secondary: #5a6577;
  --text-muted: #8a93a4;

  --accent: #2563eb;
  --accent-dim: rgba(37,99,235,0.10);
  --accent-hover: #3b82f6;

  --green: #16a34a;
  --green-dim: rgba(22,163,74,0.10);
  --red: #dc2626;
  --red-dim: rgba(220,38,38,0.10);
  --yellow: #d97706;
  --yellow-dim: rgba(217,119,6,0.10);
  --purple: #9333ea;
  --purple-dim: rgba(147,51,234,0.10);
  --orange: #ea580c;
  --orange-dim: rgba(234,88,12,0.10);

  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.06);
}

/* ====== Pink 主题（粉白粉嫩） ====== */
[data-theme="pink"] {
  --bg-0: #fff5f8;
  --bg-1: #ffffff;
  --bg-2: #ffe4ee;
  --bg-3: #ffd0e0;
  --bg-hover: #ffc1d6;
  --border: #ffc8db;
  --border-light: #ffaac4;

  --text-primary: #4a1f3d;
  --text-secondary: #8a4a6d;
  --text-muted: #b87a99;

  --accent: #ec4899;
  --accent-dim: rgba(236,72,153,0.12);
  --accent-hover: #f472b6;

  --green: #10b981;
  --green-dim: rgba(16,185,129,0.12);
  --red: #f43f5e;
  --red-dim: rgba(244,63,94,0.12);
  --yellow: #f59e0b;
  --yellow-dim: rgba(245,158,11,0.12);
  --purple: #c026d3;
  --purple-dim: rgba(192,38,211,0.12);
  --orange: #fb7185;
  --orange-dim: rgba(251,113,133,0.12);

  --shadow: 0 4px 20px rgba(236,72,153,0.10);
  --shadow-sm: 0 2px 6px rgba(236,72,153,0.08);
}

[data-theme="pink"] body {
  background:
    radial-gradient(ellipse at top left,  #ffe4ee 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, #ffd0e0 0%, transparent 50%),
    var(--bg-0);
}

[data-theme="pink"] .header-logo .icon {
  filter: drop-shadow(0 0 6px #f9a8d4);
}

[data-theme="pink"] .app-header {
  background: linear-gradient(135deg, #ffffff 0%, #ffe4ee 100%);
  border-bottom: 1px solid #ffc8db;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}
button { font-family: var(--font); cursor: pointer; }
input, select, textarea { font-family: var(--font); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== 布局 ===== */
.app-layout {
  display: grid;
  grid-template-rows: 56px 1fr;
  grid-template-columns: 280px 1fr;
  grid-template-areas:
    "header header"
    "sidebar main";
  height: 100vh;
  overflow: hidden;
}

/* ===== Header ===== */
.app-header {
  grid-area: header;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

.header-logo .icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--bg-2);
  border: 1px solid var(--border);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.online { background: var(--green); box-shadow: 0 0 6px var(--green); animation: pulse 2s infinite; }
.status-dot.offline { background: var(--red); }
.status-dot.connecting { background: var(--yellow); animation: pulse 1s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.header-actions { display: flex; gap: 8px; }

/* ===== Sidebar ===== */
.app-sidebar {
  grid-area: sidebar;
  background: var(--bg-1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-section {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sessions-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
}

.session-item {
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.session-item:hover, .session-item.selected {
  background: var(--bg-3);
  border-color: var(--accent);
}

.session-item.selected::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 3px 0 0 3px;
}

.session-system-id {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
}

.session-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.session-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.tag-transceiver { background: var(--purple-dim); color: var(--purple); }
.tag-transmitter { background: var(--accent-dim); color: var(--accent); }
.tag-receiver { background: var(--green-dim); color: var(--green); }

.session-addr {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--mono);
}

.empty-state {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 12px;
}

.empty-icon { font-size: 24px; margin-bottom: 6px; opacity: 0.5; }

/* ===== Sidebar Settings ===== */
.settings-panel { flex: 1; overflow-y: auto; }

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  gap: 12px;
}

.setting-label {
  font-size: 12px;
  color: var(--text-secondary);
  flex: 1;
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 36px; height: 20px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
}
.toggle-slider::after {
  content: '';
  position: absolute;
  left: 2px; top: 2px;
  width: 14px; height: 14px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition);
}
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::after { transform: translateX(16px); background: white; }

/* ===== Main Content ===== */
.app-main {
  grid-area: main;
  display: grid;
  grid-template-rows: auto auto 1fr;
  overflow: hidden;
  min-height: 0;
}
.main-tabs { grid-row: 1; }
#main-toolbar { display: none; grid-row: 2; }
#main-toolbar.show { display: flex; }

/* 所有 tab-content 永远在 row 3 —— 1fr 撑满剩余空间 */
#tab-content-messages,
#tab-content-mo,
#tab-content-log,
#tab-content-client,
#tab-content-ccsdk,
#tab-content-admin {
  grid-row: 3;
  grid-column: 1;
  overflow: auto;
  min-height: 0;
  min-width: 0;
}

/* messages Tab 特殊：grid 1fr 380px 左右分栏 */
#tab-content-messages {
  display: grid;
  grid-template-columns: 1fr 380px;
}
#tab-content-messages > * {
  min-height: 0;
  min-width: 0;
}

.main-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 20px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
}

.tab-btn:hover { background: var(--bg-2); color: var(--text-secondary); }
.tab-btn.active { background: var(--accent-dim); color: var(--accent); }

.tab-count {
  background: var(--bg-3);
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}
.tab-btn.active .tab-count { background: var(--accent-dim); color: var(--accent); }

/* ===== 消息列表 ===== */
.messages-panel {
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.message-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--border);
  transition: background var(--transition);
}

.message-card.dlr-sent::before { background: var(--green); }
.message-card.selected::before { background: var(--accent); }

.message-card:hover {
  background: var(--bg-3);
  border-color: var(--border-light);
  transform: translateX(2px);
}

.message-card.selected {
  background: var(--bg-3);
  border-color: var(--accent);
}

.msg-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.msg-id {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-3);
  padding: 2px 6px;
  border-radius: 4px;
}

.msg-addrs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
}

.msg-src { color: var(--text-secondary); }
.msg-arrow { color: var(--text-muted); }
.msg-dst { color: var(--accent); }

.msg-time {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
}

.msg-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
  word-break: break-all;
  white-space: pre-wrap;
}

.msg-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.msg-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 4px;
  text-transform: uppercase;
}

.tag-dlr-sent { background: var(--green-dim); color: var(--green); }
.tag-pending { background: var(--yellow-dim); color: var(--yellow); }
.tag-registered { background: var(--purple-dim); color: var(--purple); }

/* ===== 右侧操作面板 ===== */
.action-panel {
  border-left: 1px solid var(--border);
  background: var(--bg-1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.action-section {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.action-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-title-icon {
  width: 26px; height: 26px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.icon-green { background: var(--green-dim); }
.icon-blue { background: var(--accent-dim); }
.icon-purple { background: var(--purple-dim); }

/* ===== 选中短信预览 ===== */
.selected-msg-preview {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 14px;
}

.preview-row {
  display: flex;
  gap: 8px;
  font-size: 12px;
  padding: 2px 0;
}

.preview-label {
  color: var(--text-muted);
  width: 56px;
  flex-shrink: 0;
}

.preview-value {
  color: var(--text-secondary);
  font-family: var(--mono);
  word-break: break-all;
}

/* ===== 表单元素 ===== */
.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  padding: 8px 10px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238892a4' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.form-textarea {
  resize: vertical;
  min-height: 72px;
  font-family: var(--font);
  line-height: 1.5;
}

/* DLR 状态选择器 */
.dlr-status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin-bottom: 14px;
}

.dlr-status-btn {
  padding: 7px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  font-family: var(--mono);
  letter-spacing: 0.3px;
  text-align: center;
  transition: all var(--transition);
}

.dlr-status-btn:hover { background: var(--bg-3); }

.dlr-status-btn.selected-status {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.dlr-status-btn.DELIVRD.selected-status { border-color: var(--green); background: var(--green-dim); color: var(--green); }
.dlr-status-btn.UNDELIV.selected-status,
.dlr-status-btn.REJECTD.selected-status { border-color: var(--red); background: var(--red-dim); color: var(--red); }
.dlr-status-btn.EXPIRED.selected-status { border-color: var(--yellow); background: var(--yellow-dim); color: var(--yellow); }
.dlr-status-btn.ACCEPTD.selected-status { border-color: var(--purple); background: var(--purple-dim); color: var(--purple); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(79,142,247,0.35); }
.btn-primary:active { transform: translateY(0); }

.btn-success {
  background: var(--green);
  color: #0a1f14;
}
.btn-success:hover { filter: brightness(1.1); transform: translateY(-1px); }

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border: 1px solid var(--red);
}
.btn-danger:hover { background: var(--red); color: white; }

.btn-ghost {
  background: var(--bg-2);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-3); color: var(--text-primary); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-full { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ===== MO 面板 ===== */
.mo-panel { display: flex; flex-direction: column; gap: 0; }

/* ===== Toast 通知 ===== */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 13px;
  min-width: 260px;
  max-width: 380px;
  animation: slideInRight 0.25s ease;
  pointer-events: all;
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--accent); }

.toast-icon { font-size: 16px; flex-shrink: 0; }
.toast-msg { flex: 1; color: var(--text-primary); line-height: 1.4; }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}

/* ===== 无数据 ===== */
.no-data {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
  text-align: center;
}

.no-data-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }
.no-data-text { font-size: 14px; margin-bottom: 4px; color: var(--text-muted); }
.no-data-sub { font-size: 12px; }

/* ===== 工具栏 ===== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

.toolbar-search {
  flex: 1;
  position: relative;
}

.toolbar-search input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  padding: 7px 10px 7px 32px;
  outline: none;
  transition: border-color var(--transition);
}

.toolbar-search input:focus { border-color: var(--accent); }
.toolbar-search::before {
  content: '🔍';
  position: absolute;
  left: 9px; top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  pointer-events: none;
  opacity: 0.6;
}

/* ===== 滚动区域 ===== */
.scroll-area { overflow-y: auto; flex: 1; }

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  font-size: 10px;
  font-weight: 700;
  background: var(--accent);
  color: white;
}

/* ===== Log Tab ===== */
.log-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.log-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
  background: var(--bg-0);
}

.log-item {
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 3px 6px;
  border-radius: 4px;
  display: flex;
  gap: 10px;
  align-items: baseline;
  line-height: 1.6;
}

.log-time { color: var(--text-muted); flex-shrink: 0; }
.log-type { font-weight: 600; flex-shrink: 0; width: 80px; }
.log-msg { color: var(--text-secondary); word-break: break-all; }

.log-new_message .log-type { color: var(--accent); }
.log-new_session .log-type { color: var(--green); }
.log-session_closed .log-type { color: var(--red); }
.log-dlr_sent .log-type { color: var(--green); }
.log-mo_sent .log-type { color: var(--purple); }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-areas: "header" "main";
  }
  .app-sidebar { display: none; }
  .main-content { grid-template-columns: 1fr; }
  .action-panel { display: none; }
}

/* ===== 选择标记 ===== */
.select-all-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: var(--accent-dim);
  border-bottom: 1px solid var(--accent);
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}

/* ===== 加载动画 ===== */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 分割线 ===== */
.divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

/* ===== 登录遮罩 ===== */
.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, rgba(79,142,247,0.12) 0%, var(--bg-0) 70%);
  backdrop-filter: blur(2px);
}

.login-card {
  width: 380px;
  background: var(--bg-1);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(79,142,247,0.08);
  animation: loginAppear 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes loginAppear {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  box-shadow: 0 8px 24px rgba(79,142,247,0.3);
}

.login-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.4px;
  margin-bottom: 4px;
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.login-field {
  margin-bottom: 16px;
}

.login-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 7px;
}

.login-input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  padding: 11px 13px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font);
}

.login-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.login-input::placeholder { color: var(--text-muted); }

.login-error {
  min-height: 20px;
  font-size: 12px;
  color: var(--red);
  margin-bottom: 12px;
  text-align: center;
}

.login-btn {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #6366f1);
  color: white;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font);
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(79,142,247,0.4);
  margin-top: 4px;
}

.login-btn:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79,142,247,0.5);
}

.login-btn:active { transform: translateY(0); }

.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===== 用户菜单（Header） ===== */
.user-menu { position: relative; }

.user-menu-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}

.user-menu-btn:hover {
  background: var(--bg-3);
  border-color: var(--border-light);
  color: var(--text-primary);
}

.user-menu-btn .user-avatar { font-size: 13px; }
.user-menu-btn .user-menu-caret { font-size: 10px; opacity: 0.7; }

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  background: var(--bg-1);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 200;
  padding: 6px 0;
  animation: dropdownAppear 0.15s ease;
}

@keyframes dropdownAppear {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.user-menu-info { padding: 8px 12px 10px; }
.user-menu-info-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-menu-info-role {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.user-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.user-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-primary);
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  transition: background var(--transition);
}
.user-menu-item:hover { background: var(--bg-hover); }
.user-menu-item-danger { color: var(--red); }
.user-menu-item-danger:hover { background: var(--red-dim); }

/* ===== Modal 通用样式 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
  animation: modalFade 0.18s ease;
}

@keyframes modalFade { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
  width: 380px;
  max-width: calc(100vw - 32px);
  background: var(--bg-1);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 28px 22px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  animation: modalAppear 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalAppear {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.modal-subtitle strong { color: var(--accent); font-family: var(--mono); }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.form-error {
  min-height: 18px;
  font-size: 12px;
  color: var(--red);
  margin-top: 4px;
  margin-bottom: 0;
}
}

/* ===== 主题切换器 ===== */
.theme-switcher {
  position: relative;
  display: inline-block;
}
.theme-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}
.theme-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}
.theme-caret {
  font-size: 9px;
  color: var(--text-muted);
}
.theme-dropdown {
  position: fixed;  /* 相对视口，避开父级 overflow:hidden 裁剪 */
  min-width: 200px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  z-index: 10000;  /* 高于所有 modal/overlay */
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.theme-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}
.theme-item:hover {
  background: var(--bg-hover);
}
.theme-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}