:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface2: #1a1a1a;
  --border: #262626;
  --text: #e5e5e5;
  --text-dim: #737373;
  --accent: #22c55e;
  --red: #ef4444;
  --orange: #f97316;
  --blue: #2563eb;
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro', 'Inter', system-ui, sans-serif;
  --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100dvh; overflow-x: hidden; }

/* Header */
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--bg); z-index: 10;
}
header h1 { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; }
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--red);
  display: inline-block; margin-right: 8px; transition: background 0.3s;
}
.status-dot.connected { background: var(--accent); }
.status-dot.connecting { background: var(--orange); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

/* Login */
#login {
  display: flex; align-items: center; justify-content: center;
  min-height: calc(100dvh - 57px); padding: 20px;
}
.login-box { width: 100%; max-width: 320px; }
.login-box h2 { font-size: 20px; font-weight: 600; margin-bottom: 24px; letter-spacing: -0.02em; }
.login-box input {
  width: 100%; padding: 12px 14px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  font-size: 14px; font-family: var(--font); outline: none; margin-bottom: 12px;
}
.login-box input:focus { border-color: var(--text-dim); }
.login-box button {
  width: 100%; padding: 12px; background: var(--text); color: var(--bg);
  border: none; border-radius: 8px; font-size: 14px; font-weight: 600;
  font-family: var(--font); cursor: pointer;
}
.login-box button:hover { opacity: 0.9; }
.login-error { color: var(--red); font-size: 13px; margin-top: 8px; display: none; }

/* App */
#app { display: none; }

/* Tabs */
.tabs {
  display: flex; border-bottom: 1px solid var(--border);
  position: sticky; top: 57px; background: var(--bg); z-index: 9;
}
.tab {
  flex: 1; padding: 12px; text-align: center; font-size: 13px; font-weight: 500;
  color: var(--text-dim); cursor: pointer; border: none; border-bottom: 2px solid transparent;
  background: none; font-family: var(--font); transition: all 0.2s;
}
.tab.active { color: var(--text); border-bottom-color: var(--text); }

/* Panels */
.panel { display: none; }
.panel.active { display: flex; flex-direction: column; }

/* Activity banner */
.activity-banner {
  padding: 14px 16px; display: flex; align-items: center; gap: 10px;
  border-radius: 10px; margin-bottom: 0; transition: all 0.3s;
}
.activity-banner.idle { background: var(--surface); border: 1px solid var(--border); }
.activity-banner.working { background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.25); }
.activity-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.activity-dot.idle { background: var(--text-dim); }
.activity-dot.working { background: var(--accent); animation: pulse 1.5s infinite; }
.activity-label { font-size: 14px; font-weight: 600; }
.activity-detail { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

/* Stat cards */
#status-panel { padding: 20px; gap: 12px; }
.stat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px;
}
.stat-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-dim); margin-bottom: 6px;
}
.stat-value { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; }
.stat-value.ok { color: var(--accent); }
.stat-value.error { color: var(--red); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Email button */
.email-btn {
  display: block; text-align: center; padding: 14px;
  background: var(--text); border: none; border-radius: 10px;
  color: var(--bg); font-size: 14px; font-weight: 600; font-family: var(--font);
  transition: all 0.2s; cursor: pointer;
}
.email-btn:hover { opacity: 0.85; }

/* Spend */
#spend-panel { padding-top: 0; gap: 12px; max-height: calc(100dvh - 114px); overflow-y: auto; }
.spend-toolbar {
  display: flex; gap: 6px; padding: 16px 20px 4px;
  position: sticky; top: 0; background: var(--bg); z-index: 1;
}
.spend-filter {
  padding: 6px 14px; border-radius: 100px; font-size: 12px; font-weight: 500;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-dim);
  cursor: pointer; font-family: var(--font); transition: all 0.2s;
}
.spend-filter.active { background: var(--text); color: var(--bg); border-color: var(--text); }

/* Crons */
.cron-status {
  font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 100px;
  background: var(--surface2); color: var(--text-dim); border: 1px solid var(--border);
}
.cron-status.ok { background: rgba(34,197,94,0.1); color: var(--accent); border-color: rgba(34,197,94,0.25); }
.cron-status.error { background: rgba(239,68,68,0.1); color: var(--red); border-color: rgba(239,68,68,0.25); }
.cron-status.running { background: rgba(37,99,235,0.1); color: var(--blue); border-color: rgba(37,99,235,0.25); }

/* Memory */
#memory-panel { max-height: calc(100dvh - 114px); overflow: hidden; }
.memory-btn { padding: 6px 14px; border-radius: 100px; font-size: 12px; font-weight: 500; background: var(--surface); border: 1px solid var(--border); color: var(--text-dim); cursor: pointer; font-family: var(--font); transition: all 0.2s; }
.memory-btn.active { background: var(--text); color: var(--bg); border-color: var(--text); }
#memoryContent h1 { font-size: 18px; margin: 16px 0 8px; color: var(--text); }
#memoryContent h2 { font-size: 15px; margin: 14px 0 6px; color: var(--text); }
#memoryContent h3 { font-size: 13px; margin: 10px 0 4px; color: var(--text); }
.empty-state { text-align: center; color: var(--text-dim); font-size: 14px; padding: 40px 20px; }

/* Logs */
#logs-panel { height: calc(100dvh - 114px); }
.logs-toolbar {
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  display: flex; gap: 8px; align-items: center;
}
.logs-toolbar input {
  flex: 1; padding: 8px 12px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 6px; color: var(--text);
  font-size: 13px; font-family: var(--font); outline: none;
}
.logs-toolbar input:focus { border-color: var(--text-dim); }
.log-list {
  flex: 1; overflow-y: auto; padding: 8px 16px; font-family: var(--mono);
  font-size: 12px; line-height: 1.6;
}
.log-entry { padding: 2px 0; border-bottom: 1px solid rgba(255,255,255,0.03); }
.log-entry .log-time { color: var(--text-dim); margin-right: 8px; }
.log-entry .log-tag { margin-right: 8px; font-weight: 600; }
.log-entry.info .log-tag { color: var(--text-dim); }
.log-entry.warn .log-tag { color: var(--orange); }
.log-entry.error .log-tag { color: var(--red); }
.log-entry .log-msg { color: var(--text); }

/* Typing indicator */
.typing { display: inline-flex; gap: 4px; padding: 4px 0; }
.typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-dim); animation: typing 1.4s infinite;
}
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%,60%,100% { opacity:0.3; transform:translateY(0); }
  30% { opacity:1; transform:translateY(-4px); }
}