@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-base: #0a0a0f;
  --bg-surface: #111118;
  --bg-elevated: #18181f;
  --bg-hover: #1e1e28;
  --bg-active: #22222e;
  --border: #ffffff0f;
  --border-subtle: #ffffff07;
  --border-accent: #ffffff18;
  --text-primary: #f0f0f5;
  --text-secondary: #8b8b9e;
  --text-tertiary: #4a4a5e;
  --text-muted: #2e2e3e;
  --purple: #7c5cfc;
  --purple-dim: #7c5cfc22;
  --green: #22c55e;
  --green-dim: #22c55e18;
  --amber: #f59e0b;
  --amber-dim: #f59e0b18;
  --red: #ef4444;
  --red-dim: #ef444418;
  --blue: #3b82f6;
  --blue-dim: #3b82f618;
  --cyan: #06b6d4;
  --cyan-dim: #06b6d418;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --sidebar-w: 220px;
  --topbar-h: 56px;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg-base); color: var(--text-primary); font-family: var(--font-sans); font-size: 14px; line-height: 1.6; min-height: 100vh; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }

/* ===================== LAYOUT ===================== */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform .25s ease;
}

.sidebar-logo {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.logo-mark { width: 28px; height: 28px; background: var(--purple); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; color: #fff; flex-shrink: 0; }
.logo-text { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.logo-text span { color: var(--purple); }

.sidebar-nav { padding: 12px 10px; flex: 1; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.nav-label { font-size: 10px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--text-tertiary); padding: 8px 10px 4px; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px; font-weight: 400;
  cursor: pointer;
  transition: background .15s, color .15s;
  position: relative;
  border: none; background: none; width: 100%; text-align: left;
  text-decoration: none;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: var(--purple-dim); color: var(--purple); font-weight: 500; }
.nav-item.active::after { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 2px; height: 60%; background: var(--purple); border-radius: 999px; }
.nav-item i { font-size: 16px; flex-shrink: 0; }

.nav-badge { margin-left: auto; background: var(--purple); color: #fff; font-size: 10px; font-weight: 600; padding: 1px 6px; border-radius: 999px; min-width: 18px; text-align: center; }

.sidebar-footer { padding: 12px 10px; border-top: 1px solid var(--border); flex-shrink: 0; }
.user-row { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-md); cursor: pointer; }
.user-row:hover { background: var(--bg-hover); }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--purple-dim); border: 1px solid var(--purple); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; color: var(--purple); flex-shrink: 0; }
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 500; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--text-secondary); }

/* Mobile sidebar overlay */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: #00000066; z-index: 199; }

/* Main content */
.main { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

.topbar {
  height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  background: var(--bg-surface);
  position: sticky; top: 0; z-index: 50;
  flex-shrink: 0;
}

.hamburger { display: none; background: none; border: none; color: var(--text-secondary); cursor: pointer; padding: 6px; border-radius: var(--radius-sm); flex-shrink: 0; }
.hamburger:hover { background: var(--bg-hover); color: var(--text-primary); }
.hamburger i { font-size: 20px; }

.topbar-title { font-size: 15px; font-weight: 500; color: var(--text-primary); }
.topbar-sub { font-size: 12px; color: var(--text-secondary); margin-top: 1px; }
.topbar-center { flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; flex-wrap: wrap; }

.page-content { padding: 24px; flex: 1; }

/* ===================== CARDS ===================== */
.card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.card-sm { padding: 14px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 8px; flex-wrap: wrap; }
.card-title { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.card-sub { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ===================== STAT CARDS ===================== */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }

.stat-card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px; position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; }
.stat-card.purple::before { background: var(--purple); }
.stat-card.green::before { background: var(--green); }
.stat-card.amber::before { background: var(--amber); }
.stat-card.red::before { background: var(--red); }
.stat-card.blue::before { background: var(--blue); }
.stat-card.cyan::before { background: var(--cyan); }
.stat-label { font-size: 11px; font-weight: 500; letter-spacing: .04em; color: var(--text-secondary); text-transform: uppercase; margin-bottom: 8px; }
.stat-value { font-size: 26px; font-weight: 600; color: var(--text-primary); line-height: 1; margin-bottom: 6px; }
.stat-change { font-size: 11px; color: var(--text-secondary); display: flex; align-items: center; gap: 4px; }
.stat-change.up { color: var(--green); }
.stat-change.down { color: var(--red); }
.stat-icon { position: absolute; right: 14px; top: 18px; font-size: 20px; opacity: .12; }

/* ===================== BADGES ===================== */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 500; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
.badge-active { background: var(--green-dim); color: var(--green); }
.badge-idle { background: var(--bg-elevated); color: var(--text-secondary); border: 1px solid var(--border); }
.badge-blocked { background: var(--red-dim); color: var(--red); }
.badge-running { background: var(--blue-dim); color: var(--blue); }
.badge-pending { background: var(--amber-dim); color: var(--amber); }
.badge-done { background: var(--green-dim); color: var(--green); }
.badge-failed { background: var(--red-dim); color: var(--red); }
.badge-purple { background: var(--purple-dim); color: var(--purple); }

.dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; display: inline-block; }
.dot-green { background: var(--green); }
.dot-amber { background: var(--amber); }
.dot-red { background: var(--red); }
.dot-blue { background: var(--blue); animation: pulse 2s infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

/* ===================== BUTTONS ===================== */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: var(--radius-md); font-size: 13px; font-weight: 500; cursor: pointer; border: none; outline: none; transition: all .15s; white-space: nowrap; font-family: var(--font-sans); }
.btn-primary { background: var(--purple); color: #fff; }
.btn-primary:hover { background: #6b4fe0; }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-accent); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-danger { background: var(--red-dim); color: var(--red); border: 1px solid transparent; }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { width: 32px; height: 32px; padding: 0; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); background: transparent; color: var(--text-secondary); border: 1px solid var(--border); cursor: pointer; transition: all .15s; font-family: var(--font-sans); flex-shrink: 0; }
.btn-icon:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ===================== TABLE ===================== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 600px; }
thead tr { border-bottom: 1px solid var(--border); }
th { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .05em; color: var(--text-tertiary); padding: 10px 14px; text-align: left; white-space: nowrap; }
td { padding: 12px 14px; font-size: 13px; color: var(--text-primary); border-bottom: 1px solid var(--border-subtle); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-hover); }

/* ===================== FORM ===================== */
input, select, textarea { background: var(--bg-elevated); border: 1px solid var(--border-accent); border-radius: var(--radius-md); color: var(--text-primary); font-family: var(--font-sans); font-size: 13px; padding: 8px 12px; outline: none; width: 100%; transition: border-color .15s; }
input:focus, select:focus, textarea:focus { border-color: var(--purple); }
input::placeholder { color: var(--text-tertiary); }
select option { background: var(--bg-elevated); }
textarea { resize: vertical; }

.search-wrap { position: relative; }
.search-wrap input { padding-left: 34px; }
.search-wrap i { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-tertiary); font-size: 15px; pointer-events: none; }

/* ===================== PROGRESS ===================== */
.progress-bar { height: 4px; background: var(--bg-elevated); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 999px; background: var(--purple); transition: width .4s ease; }
.progress-fill.green { background: var(--green); }
.progress-fill.amber { background: var(--amber); }
.progress-fill.red { background: var(--red); }

/* ===================== ACTIVITY FEED ===================== */
.feed-item { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--border-subtle); }
.feed-item:last-child { border-bottom: none; }
.feed-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.feed-content { flex: 1; min-width: 0; }
.feed-text { font-size: 13px; color: var(--text-primary); line-height: 1.5; }
.feed-text strong { font-weight: 500; }
.feed-time { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }

/* ===================== AGENT CARDS ===================== */
.agent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.agent-card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px; transition: border-color .2s; cursor: default; }
.agent-card:hover { border-color: var(--border-accent); }
.agent-card.active-card { border-color: var(--purple); }
.agent-avatar { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 600; flex-shrink: 0; }

/* ===================== LOGS ===================== */
.log-line { display: grid; grid-template-columns: 150px 110px 90px 100px 1fr; gap: 10px; padding: 9px 16px; border-bottom: 1px solid var(--border-subtle); font-size: 12px; align-items: center; cursor: pointer; }
.log-line:hover { background: var(--bg-hover); }

/* ===================== TOGGLE ===================== */
.toggle { position: relative; width: 36px; height: 20px; flex-shrink: 0; display: inline-block; }
.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-track { position: absolute; inset: 0; background: var(--bg-elevated); border: 1px solid var(--border-accent); border-radius: 999px; cursor: pointer; transition: background .2s; }
.toggle input:checked ~ .toggle-track { background: var(--purple); border-color: var(--purple); }
.toggle-thumb { position: absolute; top: 3px; left: 3px; width: 12px; height: 12px; border-radius: 50%; background: var(--text-secondary); transition: transform .2s, background .2s; pointer-events: none; }
.toggle input:checked ~ .toggle-track .toggle-thumb { transform: translateX(16px); background: #fff; }

/* ===================== TOKEN BAR ===================== */
.token-track { flex: 1; height: 3px; background: var(--bg-elevated); border-radius: 999px; overflow: hidden; }
.token-fill { height: 100%; border-radius: 999px; }

/* ===================== TAG ===================== */
.tag { display: inline-flex; font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: var(--radius-sm); background: var(--bg-elevated); color: var(--text-secondary); border: 1px solid var(--border); white-space: nowrap; }

/* ===================== UTILS ===================== */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }
.gap-10 { gap: 10px; }
.gap-12 { gap: 12px; }
.gap-14 { gap: 14px; }
.gap-16 { gap: 16px; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-14 { margin-bottom: 14px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.text-purple { color: var(--purple); }
.text-green { color: var(--green); }
.text-amber { color: var(--amber); }
.text-red { color: var(--red); }
.text-blue { color: var(--blue); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.font-mono { font-family: var(--font-mono); }
.font-medium { font-weight: 500; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.w-full { width: 100%; }

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-accent); border-radius: 999px; }

/* ===================== RESPONSIVE ===================== */
/* Tablet: ≤1024px */
@media (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .settings-layout { grid-template-columns: 1fr !important; }
  .settings-tabnav { display: flex !important; flex-direction: row !important; flex-wrap: wrap; position: static !important; }
  .settings-tabnav .nav-item { width: auto; }
}

/* Mobile: ≤768px */
@media (max-width: 768px) {
  :root { --topbar-h: 52px; }

  /* Sidebar slides in/out */
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }

  /* Main full width */
  .main { margin-left: 0; }

  /* Topbar */
  .topbar { padding: 0 16px; gap: 8px; }
  .hamburger { display: flex; align-items: center; justify-content: center; }
  .topbar-sub { display: none; }

  /* Page content */
  .page-content { padding: 16px; }

  /* Stat grid */
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
  .stat-value { font-size: 22px; }

  /* Grids */
  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  /* Agent grid */
  .agent-grid { grid-template-columns: 1fr; }

  /* Kanban stats */
  .kanban-stats { grid-template-columns: repeat(3, 1fr) !important; }

  /* Filters wrap */
  .filters-row { flex-wrap: wrap !important; }
  .filters-row .search-wrap { max-width: 100% !important; width: 100% !important; }
  .filters-row select { width: calc(50% - 6px) !important; min-width: unset !important; }

  /* Topbar actions */
  .topbar-actions .badge { display: none; }
  .topbar-actions .btn-icon-hide { display: none; }

  /* Card */
  .card { padding: 14px; }

  /* Log panel header — stack on mobile */
  .log-header { display: none !important; }
  .log-line { grid-template-columns: 1fr !important; gap: 4px; }
  .log-line-ts, .log-line-agent, .log-line-level, .log-line-type { font-size: 10px; }

  /* Settings */
  .settings-layout { grid-template-columns: 1fr !important; }
  .settings-tabnav { flex-direction: row !important; flex-wrap: wrap; position: static !important; gap: 4px; }
  .settings-tabnav .nav-item { width: auto !important; padding: 6px 10px; }

  /* Hide stat icon on mobile */
  .stat-icon { display: none; }

  /* Table */
  table { min-width: 500px; }
}

/* Small mobile: ≤480px */
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kanban-stats { grid-template-columns: 1fr 1fr !important; }
  .topbar-actions .btn-sm span { display: none; }
  .topbar-actions .btn-sm i { margin: 0; }
  .stat-value { font-size: 20px; }
}