/* Shell owns html/body. Palette + resets are provided by theme.css. */

.ota-root {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - var(--lf-nav-h));
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.ota-root > .top-bar,
.ota-root > .stats-row { flex-shrink: 0; }

/* Legacy auth screen — unused in SPA but kept for reference. */
.auth-card {
  background: var(--lf-panel); border: 1px solid var(--lf-border); border-radius: 12px;
  padding: 40px; text-align: center; box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.auth-card h1 { font-size: 20px; margin-bottom: 8px; }
.auth-card p { color: var(--lf-text-muted); font-size: 14px; margin-bottom: 20px; }
.error { color: var(--lf-error); font-size: 13px; margin-top: 12px; }

/* Buttons */
.btn {
  border: none; border-radius: 8px; cursor: pointer;
  font-size: 14px; font-weight: 500; padding: 10px 20px;
}
.btn-primary { background: var(--lf-accent); color: #fff; }
.btn-primary:hover { background: var(--lf-accent-hover); }
.btn-small { background: var(--lf-btn-bg); color: var(--lf-text); padding: 6px 14px; font-size: 12px; border: 1px solid var(--lf-border-strong); }
.btn-small:hover { background: var(--lf-btn-hover); }

/* Top bar */
.top-bar {
  background: var(--lf-panel); border-bottom: 1px solid var(--lf-border);
  padding: 12px 20px; display: flex; justify-content: space-between; align-items: center;
}
.top-bar-left { display: flex; align-items: center; gap: 12px; }
.top-bar-left h1 { font-size: 17px; font-weight: 700; color: var(--lf-text); }
.stats-badge {
  background: var(--lf-btn-bg); color: var(--lf-text-muted); padding: 4px 12px;
  border-radius: 12px; font-size: 11px;
}
.top-bar-right { display: flex; gap: 8px; align-items: center; }

/* Inputs */
.search-input {
  background: var(--lf-bg); border: 1px solid var(--lf-border-strong); border-radius: 7px;
  padding: 7px 14px; font-size: 12px; color: var(--lf-text); min-width: 240px; outline: none;
}
.search-input::placeholder { color: var(--lf-text-dim); }
.search-input:focus { border-color: var(--lf-accent); }
.filter-select {
  background: var(--lf-bg); border: 1px solid var(--lf-border-strong); border-radius: 7px;
  padding: 7px 14px; font-size: 12px; color: var(--lf-text); outline: none;
}

/* Stats row */
.stats-row {
  display: flex; gap: 12px; padding: 16px 20px;
}
.stat-card {
  flex: 1; text-align: center; border-radius: 8px; padding: 12px 18px;
  border: 1px solid var(--lf-border);
  background: var(--lf-panel);
}
.stat-card .stat-value { font-size: 22px; font-weight: 700; }
.stat-card .stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--lf-text-muted); }
.stat-success { background: var(--lf-success-bg); border-color: var(--lf-success-border); }
.stat-success .stat-value { color: var(--lf-success); }
.stat-failed { background: var(--lf-error-bg); border-color: var(--lf-error-border); }
.stat-failed .stat-value { color: var(--lf-error); }
.stat-retries { background: var(--lf-warn-bg); border-color: var(--lf-warn-border); }
.stat-retries .stat-value { color: var(--lf-warn); }
.stat-devices { background: var(--lf-info-bg); border-color: var(--lf-info-border); }
.stat-devices .stat-value { color: var(--lf-info); }

/* Main layout — flex:1 inside #app so it takes whatever height is left
   after the top-bar + stats-row. No magic pixel budget. */
.main-layout {
  display: flex; gap: 14px; padding: 0 20px 20px;
  flex: 1 1 auto;
  min-height: 0;
}

/* Device panel */
.device-panel {
  width: var(--lf-list-w); flex-shrink: 0; background: var(--lf-panel); border: 1px solid var(--lf-border);
  border-radius: 10px; overflow-y: auto;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}
.panel-header {
  color: var(--lf-text-muted); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.5px; padding: 16px 16px 8px;
}

/* Device cards */
.device-card {
  background: var(--lf-panel-alt); border: 1px solid var(--lf-border); border-radius: 8px;
  padding: 14px; margin: 0 12px 10px; border-left: 3px solid var(--lf-border-strong);
  cursor: pointer; transition: border-color 0.15s;
}
.device-card:hover { border-left-color: var(--lf-accent); }
.device-card.expanded { border-left-color: var(--lf-accent); }
.device-name { color: var(--lf-text); font-weight: 600; font-size: 13px; }
.device-info { color: var(--lf-text-muted); font-size: 10px; margin-top: 3px; }
.device-cpu-info { color: var(--lf-text-dim); font-size: 10px; margin-top: 1px; }
.device-top { display: flex; justify-content: space-between; align-items: start; }
.session-count {
  font-size: 10px; padding: 2px 8px; border-radius: 10px;
  background: var(--lf-success-bg); border: 1px solid var(--lf-success-border); color: var(--lf-success); white-space: nowrap;
}

/* Session list */
.session-list {
  margin-top: 12px; margin-left: 10px; border-left: 2px solid var(--lf-border); padding-left: 12px;
}
.session-item {
  background: var(--lf-panel); padding: 10px; border-radius: 6px;
  margin-bottom: 6px; cursor: pointer; border: 1px solid var(--lf-border);
  transition: border-color 0.15s;
}
.session-item:hover { border-color: var(--lf-accent); }
.session-item.active { border-color: var(--lf-accent); box-shadow: 0 0 0 1px var(--lf-accent-border, rgba(79,140,255,0.25)); }
.session-top { display: flex; justify-content: space-between; }
.session-date { font-size: 11px; font-weight: 500; color: var(--lf-text); }
.session-detail { color: var(--lf-text-muted); font-size: 10px; margin-top: 2px; }

/* Status badges */
.status-success { color: var(--lf-success); font-size: 10px; font-weight: 500; }
.status-failed { color: var(--lf-error); font-size: 10px; font-weight: 500; }
.status-progress { color: var(--lf-info); font-size: 10px; font-weight: 500; }
.status-timeout { color: var(--lf-purple); font-size: 10px; font-weight: 500; }

/* Log panel */
.log-panel {
  flex: 1 1 auto; min-width: 0; background: var(--lf-panel); border: 1px solid var(--lf-border);
  border-radius: 10px; display: flex; flex-direction: column;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4); overflow: hidden;
}
.log-placeholder {
  display: flex; align-items: center; justify-content: center;
  flex: 1; color: var(--lf-text-dim); font-size: 14px;
}

/* Session header */
.session-header {
  background: var(--lf-panel-alt); border-bottom: 1px solid var(--lf-border);
  padding: 14px; flex-shrink: 0;
}
.session-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.session-title-text { color: var(--lf-text); font-weight: 600; font-size: 14px; }
.session-badges { display: flex; gap: 6px; }
.badge {
  font-size: 10px; padding: 3px 10px; border-radius: 10px; font-weight: 500;
}
.badge-success { color: var(--lf-success); background: var(--lf-success-bg); border: 1px solid var(--lf-success-border); }
.badge-failed { color: var(--lf-error); background: var(--lf-error-bg); border: 1px solid var(--lf-error-border); }
.badge-progress { color: var(--lf-info); background: var(--lf-info-bg); border: 1px solid var(--lf-info-border); }
.badge-timeout { color: var(--lf-purple); background: var(--lf-purple-bg); border: 1px solid var(--lf-purple-border); }
.badge-neutral { color: var(--lf-text-muted); background: var(--lf-btn-bg); border: 1px solid var(--lf-border-strong); }
.session-meta {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 8px; font-size: 11px;
}
.meta-label { color: var(--lf-text-dim); }
.meta-value { color: var(--lf-text); font-weight: 500; }

/* Log toolbar */
.log-toolbar {
  display: flex; gap: 8px; padding: 10px 14px;
  align-items: center; border-bottom: 1px solid var(--lf-border); flex-shrink: 0;
}
.log-toolbar .search-input { flex: 1; min-width: auto; }
.level-toggles { display: flex; gap: 4px; }
.level-btn {
  padding: 4px 10px; border-radius: 6px; font-size: 10px;
  cursor: pointer; font-weight: 500; border: 1px solid;
  transition: opacity 0.15s;
}
.level-btn:not(.active) { opacity: 0.35; }
.level-info { background: var(--lf-info-bg); color: var(--lf-info); border-color: var(--lf-info-border); }
.level-warn { background: var(--lf-warn-bg); color: var(--lf-warn); border-color: var(--lf-warn-border); }
.level-err { background: var(--lf-error-bg); color: var(--lf-error); border-color: var(--lf-error-border); }
.level-debug { background: var(--lf-btn-bg); color: var(--lf-text-muted); border-color: var(--lf-border-strong); }

/* Log stream */
.log-stream {
  flex: 1; overflow-y: auto; padding: 14px;
  font-family: 'Cascadia Code', 'Fira Code', 'SF Mono', 'Consolas', monospace;
  font-size: 11px; line-height: 1.9; background: var(--lf-panel-alt);
}
.log-line { white-space: pre-wrap; word-break: break-all; }
.log-line.hidden { display: none; }
.log-num { color: var(--lf-text-dim); user-select: none; display: inline-block; min-width: 36px; text-align: right; margin-right: 8px; }
.log-time { color: var(--lf-text-dim); margin-right: 6px; }
.log-level {
  display: inline-block; padding: 1px 5px; border-radius: 3px;
  font-size: 10px; margin-right: 6px; font-weight: 500;
}
.log-level-INFO { color: var(--lf-info); background: var(--lf-info-bg); }
.log-level-WARN { color: var(--lf-warn); background: var(--lf-warn-bg); }
.log-level-ERR { color: var(--lf-error); background: var(--lf-error-bg); }
.log-level-DEBUG { color: var(--lf-text-muted); background: var(--lf-btn-bg); }
.log-msg { color: var(--lf-text); }
.log-msg-WARN { color: var(--lf-warn); }
.log-msg-ERR { color: var(--lf-error); }
.log-msg-DEBUG { color: var(--lf-text-muted); }

/* Back-to-devices button — only visible on mobile master-detail */
.mobile-back {
  display: none;
  background: none; border: 0; color: var(--lf-accent);
  font-size: 14px; font-weight: 600; cursor: pointer;
  padding: 12px 14px 0 14px;
}
.mobile-back:hover { color: var(--lf-accent-hover); }

/* ─── Mobile: master-detail pattern ────────────────────────────────────── */
@media (max-width: 768px) {
  .top-bar { padding: 10px 14px; flex-wrap: wrap; gap: 8px; }
  .top-bar-left h1 { font-size: 15px; }
  .top-bar-right { flex-wrap: wrap; gap: 6px; }
  .search-input { min-width: 0; flex: 1 1 160px; font-size: 13px; }
  .stats-badge { display: none; }

  .stats-row { flex-wrap: wrap; gap: 8px; padding: 10px 14px; }
  .stat-card { flex: 1 1 42%; padding: 10px 14px; }
  .stat-card .stat-value { font-size: 18px; }

  .main-layout {
    flex-direction: column;
    gap: 0;
    padding: 0 14px 14px;
  }
  .device-panel, .log-panel {
    width: 100%;
  }

  .ota-root.session-selected .device-panel { display: none; }
  .ota-root:not(.session-selected) .log-panel { display: none; }

  .mobile-back { display: inline-block; }

  .log-toolbar { flex-wrap: wrap; }
  .level-toggles { order: 2; }

  .session-meta { grid-template-columns: 1fr 1fr; }
}

/* Live streaming indicator */
.live-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10px; padding: 3px 10px; border-radius: 10px; font-weight: 500;
  color: var(--lf-success); background: var(--lf-success-bg); border: 1px solid var(--lf-success-border);
}
.live-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--lf-success);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }