:root {
  --bg: #0f172a;
  --bg2: #1e293b;
  --card: #1e293b;
  --hover: #334155;
  --border: #334155;
  --text: #f1f5f9;
  --text2: #94a3b8;
  --muted: #64748b;
  --accent: #3b82f6;
  --accent2: #2563eb;
  --green: #22c55e;
  --green-bg: rgba(34,197,94,0.12);
  --red: #ef4444;
  --red-bg: rgba(239,68,68,0.12);
  --yellow: #eab308;
  --r: 14px;
  --r2: 8px;
}

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

body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang TC','Noto Sans TC',Roboto,sans-serif;
  background:var(--bg);color:var(--text);min-height:100vh;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}

/* ── Header ── */
.header{display:flex;justify-content:space-between;align-items:center;
  padding:10px 16px;background:var(--bg2);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;}
.header-left{display:flex;align-items:center;gap:10px}
.header-right{display:flex;align-items:center;gap:12px}
.logo{font-size:24px}
.header h1{font-size:17px;font-weight:700;line-height:1.2}
.header-sub{font-size:11px;color:var(--muted)}
.clock{font-size:13px;color:var(--text2);font-variant-numeric:tabular-nums}
.icon-btn{background:none;border:none;color:var(--text);font-size:20px;cursor:pointer;padding:4px 8px}

/* ── Nav ── */
.nav-tabs{display:flex;background:var(--bg2);border-bottom:1px solid var(--border)}
.tab{flex:1;padding:12px 6px;border:none;background:none;color:var(--text2);
  font-size:13px;font-weight:500;cursor:pointer;border-bottom:2px solid transparent;transition:all 0.2s;white-space:nowrap}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.tab:hover{color:var(--text)}

/* ── Tab content ── */
.tab-content{display:none;padding:14px}
.tab-content.active{display:block}

/* ── Buttons ── */
.btn{padding:9px 14px;border:none;border-radius:var(--r2);font-size:13px;font-weight:500;
  cursor:pointer;transition:all 0.18s;display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
.btn:active{transform:scale(0.97)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2)}
.btn-secondary{background:var(--hover);color:var(--text)}
.btn-secondary:hover{background:var(--border)}
.btn-outline{background:transparent;color:var(--text2);border:1px solid var(--border)}
.btn-outline:hover{background:var(--hover);color:var(--text)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#dc2626}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-xs{padding:4px 8px;font-size:11px}
.btn-icon{padding:5px 8px;font-size:14px}

.action-bar{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* ── Summary bar ── */
.summary-bar{display:flex;background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r);padding:10px 16px;margin-bottom:14px;gap:0}
.summary-item{flex:1;text-align:center}
.summary-value{font-size:22px;font-weight:800}
.summary-value.green{color:var(--green)}
.summary-value.accent{color:var(--accent)}
.summary-label{font-size:11px;color:var(--muted);margin-top:2px}
.summary-divider{width:1px;background:var(--border);margin:0 6px}

/* ── App list ── */
.app-list{display:flex;flex-direction:column;gap:10px}

.app-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r);
  padding:14px 16px;transition:border-color 0.2s;
}
.app-card.online{border-left:3px solid var(--green)}
.app-card.offline{border-left:3px solid var(--red)}
.app-card.disabled{opacity:0.6}

.app-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.app-icon{font-size:28px;flex-shrink:0}
.app-info{flex:1;min-width:0}
.app-name{font-size:16px;font-weight:700;line-height:1.2}
.app-meta{font-size:12px;color:var(--text2);margin-top:2px}
.app-status-badge{font-size:11px;padding:3px 8px;border-radius:20px;font-weight:600;flex-shrink:0}
.status-online{background:var(--green-bg);color:var(--green)}
.status-offline{background:var(--red-bg);color:var(--red)}
.status-disabled{background:var(--hover);color:var(--muted)}

/* Tunnel URL display */
.tunnel-url{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r2);
  padding:8px 10px;margin-bottom:10px;display:flex;align-items:center;gap:8px;
}
.tunnel-url.no-url{color:var(--muted);font-size:12px;justify-content:center;padding:6px}
.tunnel-icon{font-size:14px;flex-shrink:0}
.tunnel-links{flex:1;display:flex;flex-wrap:wrap;gap:6px;min-width:0}
.tunnel-link{
  display:inline-flex;align-items:center;gap:4px;
  background:rgba(59,130,246,0.1);color:var(--accent);
  padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500;
  text-decoration:none;white-space:nowrap;border:1px solid rgba(59,130,246,0.25);
}
.tunnel-link:hover{background:rgba(59,130,246,0.2)}
.tunnel-raw{font-size:11px;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}

/* App action bar */
.app-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.app-edit-btn{margin-left:auto}

/* Port badge */
.port-badge{
  background:var(--bg);border:1px solid var(--border);
  color:var(--text2);font-size:11px;padding:2px 6px;border-radius:4px;
  font-variant-numeric:tabular-nums;font-family:monospace;
}

/* ── Telegram list ── */
.telegram-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}

.tg-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r);
  padding:14px 16px;display:flex;align-items:center;gap:12px;
}
.tg-icon{font-size:28px;flex-shrink:0}
.tg-info{flex:1;min-width:0}
.tg-name{font-size:15px;font-weight:600}
.tg-meta{font-size:12px;color:var(--text2);margin-top:3px}
.tg-actions{display:flex;gap:6px;flex-shrink:0}
.tg-enabled{color:var(--green)}
.tg-disabled{color:var(--muted)}

/* Notify log */
.notify-log{max-height:200px;overflow-y:auto;display:flex;flex-direction:column;gap:4px;margin-top:8px}
.log-entry{
  display:flex;align-items:center;gap:8px;
  padding:6px 10px;background:var(--bg);border-radius:var(--r2);font-size:12px;
}
.log-ok{border-left:2px solid var(--green)}
.log-fail{border-left:2px solid var(--red)}
.log-time{color:var(--muted);white-space:nowrap}
.log-name{font-weight:600;flex:1}

/* ── Settings ── */
.settings-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);
  padding:16px;margin-bottom:12px}
.settings-card h3{font-size:15px;font-weight:600;margin-bottom:14px}

.form-group{margin-bottom:13px}
.form-group:last-child{margin-bottom:0}
.form-row{display:flex;gap:10px;flex-wrap:wrap}
.form-row .form-group{margin-bottom:0}
.form-group label{display:block;font-size:12px;color:var(--text2);margin-bottom:5px;font-weight:500}
.form-group small{display:block;font-size:11px;color:var(--muted);margin-top:4px}
.form-group small a{color:var(--accent);text-decoration:none}
.required{color:var(--red)}

.full-input{
  width:100%;padding:9px 11px;
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--r2);color:var(--text);font-size:13px;
  transition:border-color 0.2s;
}
.full-input:focus{outline:none;border-color:var(--accent)}
.full-input.center{text-align:center;font-size:20px;padding:6px 4px}
select.full-input{cursor:pointer;-webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394a3b8'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;padding-right:28px;}
.code-input{font-family:monospace;font-size:12px;resize:vertical;line-height:1.6}
.color-picker{width:100%;height:40px;padding:2px;border:1px solid var(--border);border-radius:var(--r2);background:var(--bg);cursor:pointer}

.token-row{display:flex;gap:6px;align-items:center}
.token-row .full-input{flex:1}

/* Toggle */
.toggle-label{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none;font-size:13px;color:var(--text)}
.toggle-cb{position:absolute;opacity:0;width:0;height:0}
.toggle-track{
  display:inline-block;width:42px;height:24px;border-radius:12px;
  background:var(--border);transition:background 0.2s;flex-shrink:0;position:relative;
}
.toggle-track::after{
  content:'';position:absolute;top:3px;left:3px;
  width:18px;height:18px;border-radius:50%;background:#fff;
  transition:transform 0.2s;
}
.toggle-cb:checked + .toggle-track{background:var(--accent)}
.toggle-cb:checked + .toggle-track::after{transform:translateX(18px)}

/* Info grid */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.info-item{background:var(--bg);padding:10px 12px;border-radius:var(--r2)}
.info-label{font-size:11px;color:var(--muted);display:block;margin-bottom:3px}
.info-val{font-size:14px;font-weight:600;color:var(--accent)}

/* Log view */
.log-view{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r2);
  padding:10px;max-height:300px;overflow-y:auto;font-family:monospace;
  font-size:11px;color:var(--text2);line-height:1.6;margin-top:8px;
}
.log-line{white-space:pre-wrap;word-break:break-all}

/* ── Side menu ── */
.menu-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:200}
.menu-overlay.open{display:block}
.side-menu{position:fixed;top:0;right:-290px;width:290px;height:100%;
  background:var(--bg2);z-index:201;transition:right 0.3s;padding:22px 18px;overflow-y:auto}
.side-menu.open{right:0}
.menu-header{text-align:center;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.logo-lg{font-size:48px;display:block;margin-bottom:6px}
.menu-header h2{font-size:18px;font-weight:700}
.menu-sub{font-size:12px;color:var(--muted);margin-top:3px}
.side-menu a{display:block;padding:13px 0;color:var(--text);text-decoration:none;
  font-size:14px;border-bottom:1px solid var(--border);transition:color 0.2s}
.side-menu a:hover{color:var(--accent)}

/* ── Modal ── */
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.7);
  z-index:1000;justify-content:center;align-items:flex-end;backdrop-filter:blur(4px)}
.modal.open{display:flex}
.modal-content{
  background:var(--bg2);border-radius:var(--r) var(--r) 0 0;
  width:100%;max-width:520px;max-height:92vh;overflow-y:auto;
  animation:slideUp 0.25s ease;
}
@keyframes slideUp{from{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}
.modal-header{display:flex;justify-content:space-between;align-items:center;
  padding:14px 18px;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:var(--bg2);z-index:1}
.modal-header h3{font-size:15px;font-weight:600}
.close-btn{background:none;border:none;color:var(--text2);font-size:26px;cursor:pointer;line-height:1;padding:0 3px}
.modal-body{padding:16px 18px}
.modal-footer{display:flex;gap:8px;padding:12px 18px;border-top:1px solid var(--border);align-items:center}

/* ── Toast ── */
.toast{
  position:fixed;bottom:-70px;left:50%;transform:translateX(-50%);
  background:var(--hover);color:var(--text);padding:11px 20px;
  border-radius:var(--r);font-size:13px;z-index:3000;
  transition:bottom 0.28s ease;box-shadow:0 4px 20px rgba(0,0,0,0.4);
  max-width:calc(100vw - 32px);text-align:center;white-space:nowrap;
}
.toast.show{bottom:26px}
.toast.success{border-left:3px solid var(--green)}
.toast.error{border-left:3px solid var(--red)}
.toast.info{border-left:3px solid var(--accent)}

/* ── Utils ── */
.hidden{display:none!important}
.loading{text-align:center;padding:40px;color:var(--muted)}
.empty-state{text-align:center;padding:40px 20px;color:var(--text2)}
.empty-icon{font-size:42px;margin-bottom:10px}

@media(min-width:600px){
  .modal-content{border-radius:var(--r);margin:auto}
  .modal{align-items:center}
}