/* Panel trái: form kết nối, xoá thiết bị, danh sách thiết bị */

/* ===== LEFT PANEL ===== */
.left-panel {
  width: 370px;
  min-width: 370px;
  background: linear-gradient(180deg, #1c0040 0%, #0d001e 100%);
  padding: 28px 22px;
  border-right: 1px solid #3a0060;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo-wrap {
  width: 140px;
  height: 140px;
  margin-bottom: 14px;
}

.logo-wrap svg { width: 100%; height: 100%; }

.panel-title {
  font-size: 20px;
  font-weight: 700;
  color: #cc66ff;
  text-align: center;
  margin-bottom: 6px;
}

.panel-sub {
  font-size: 12px;
  color: #999;
  text-align: center;
  margin-bottom: 22px;
  line-height: 1.6;
}

.connect-mode {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  margin-bottom: 16px;
  border: 1px solid #3a0060;
  border-radius: 8px;
  background: #0c001c;
}

.connect-mode-btn {
  padding: 9px 8px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: #888;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.connect-mode-btn.active {
  background: #3a0060;
  color: #f0d7ff;
}

.connect-fields { width: 100%; }
.connect-fields[hidden] { display: none; }

.form-group { width: 100%; margin-bottom: 14px; }

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: #ccc;
  margin-bottom: 5px;
  display: block;
}

.form-input {
  width: 100%;
  padding: 11px 13px;
  background: #0c001c;
  border: 1px solid #4a0088;
  border-radius: 6px;
  color: #fff;
  font-size: 13px;
  outline: none;
  transition: border-color .2s;
}

.form-input:focus { border-color: #cc66ff; }
.form-input::placeholder { color: #555; }

.form-help {
  margin-top: 6px;
  color: #777;
  font-size: 10px;
  line-height: 1.45;
}

.btn-connect {
  width: 100%;
  padding: 13px;
  background: linear-gradient(90deg, #7700bb, #cc00ff);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .8px;
  cursor: pointer;
  margin-top: 6px;
  transition: opacity .2s;
}

.btn-connect:hover { opacity: .82; }
.btn-connect:disabled { opacity: .5; cursor: not-allowed; }

.delete-box {
  width: 100%;
  margin-top: 22px;
  border: 1px solid #660000;
  border-radius: 8px;
  padding: 14px;
  background: rgba(80,0,0,.25);
}

.delete-title { font-size: 13px; font-weight: 700; color: #ff6060; margin-bottom: 6px; }
.delete-desc { font-size: 11px; color: #888; margin-bottom: 10px; line-height: 1.5; }
.delete-mode { display: flex; gap: 6px; margin-bottom: 10px; }
.delete-mode-btn {
  padding: 6px 9px; border: 1px solid #663333; border-radius: 5px;
  background: transparent; color: #999; font-size: 10px; cursor: pointer;
}
.delete-mode-btn.active { background: #552222; color: #ffd0d0; }
.delete-mode [hidden], #deleteUrlFields[hidden], #deleteMacFields[hidden] { display: none; }

.devices-box {
  width: 100%;
  margin-top: 22px;
  border: 1px solid #3a0060;
  border-radius: 8px;
  padding: 14px;
  background: rgba(30,0,70,.25);
}

.devices-title { font-size: 13px; font-weight: 700; color: #cc66ff; margin-bottom: 10px; }

.device-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid #2a0050;
}
.device-item:last-child { border-bottom: none; }

.device-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; background: #555; }
.device-dot.online { background: #00ffaa; box-shadow: 0 0 6px #00ffaa; }
.device-dot.checking { background: #ffcc00; }

.device-info { min-width: 0; }
.device-name {
  font-size: 12px; font-weight: 600; color: #ddd;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.device-date { font-size: 10px; color: #777; margin-top: 2px; }

.devices-empty { font-size: 11px; color: #777; }

.btn-delete {
  width: 100%;
  padding: 10px;
  background: transparent;
  border: 1px solid #aa0000;
  border-radius: 6px;
  color: #ff4444;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s;
}

.btn-delete:hover { background: rgba(120,0,0,.35); }

/* Số liệu tổng thay cho danh sách tên máy khi CHƯA đăng nhập.
   Giữ được social proof ("68 robot đã kết nối") mà không nêu tên nhà nào. */
.device-stats {
  display: flex;
  gap: 10px;
}

.device-stat {
  flex: 1;
  padding: 10px 8px;
  text-align: center;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 8px;
}

.device-stat-num {
  font-size: 22px;
  font-weight: 700;
  color: #ddd;
  line-height: 1.1;
}

.device-stat-num.online { color: #4ade80; }

.device-stat-label {
  font-size: 10px;
  color: #888;
  margin-top: 3px;
}