:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --border: #e5e7ec;
  --border-strong: #d3d7e0;
  --text: #14161f;
  --text-secondary: #52566b;
  --muted: #8b8fa3;
  --accent: #4f46e5;
  --accent-soft: #eef1ff;
  --accent-dark: #4338ca;
  --success: #16a34a;
  --success-soft: #ecfdf3;
  --warning: #b45309;
  --warning-soft: #fef8ec;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --neutral-soft: #f1f2f6;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(20,22,31,0.04);
  --shadow-md: 0 8px 24px rgba(20,22,31,0.07);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.muted { color: var(--muted); font-size: 13px; }
.error-text { color: var(--danger); font-size: 13px; }

.btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s, transform 0.05s;
  letter-spacing: 0.1px;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 1px 2px rgba(79,70,229,0.25); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(1200px 500px at 15% -10%, #eef1ff 0%, transparent 60%),
    var(--bg);
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 34px;
  width: 100%;
  max-width: 372px;
  box-shadow: var(--shadow-md);
}
.login-card h1 { margin: 0 0 4px; font-size: 21px; letter-spacing: -0.3px; }
.login-card .sub { margin: 0 0 22px; color: var(--text-secondary); font-size: 13.5px; }
.field { margin-bottom: 15px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 5px; color: var(--text-secondary); }
.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: #fbfbfd;
  transition: border-color 0.12s, box-shadow 0.12s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: #fff;
}
.login-card .btn { width: 100%; margin-top: 8px; padding: 11px; }

/* App shell */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}
.side-brand { padding: 4px 8px 22px; display: flex; align-items: center; gap: 9px; }
.side-brand::before {
  content: "L";
  width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: #fff;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
  flex-shrink: 0;
}
.brand-word { font-weight: 700; font-size: 14.5px; letter-spacing: -0.2px; }
.side-nav { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.side-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border-left: 3px solid transparent;
  margin-left: -3px;
}
.side-link:hover { background: var(--neutral-soft); color: var(--text); }
.side-link.active { background: var(--accent-soft); color: var(--accent); font-weight: 700; border-left-color: var(--accent); }
.side-user {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 8px 2px; border-top: 1px solid var(--border); margin-top: 12px;
}
.iconbtn { background: none; border: none; cursor: pointer; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.iconbtn:hover { color: var(--text); }

.topbar { display: none; align-items: center; gap: 12px; padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--border); }
.main { flex: 1; min-width: 0; }

@media (max-width: 860px) {
  .sidebar { position: fixed; left: -240px; top: 0; bottom: 0; z-index: 20; transition: left 0.2s; box-shadow: var(--shadow-md); }
  .sidebar.open { left: 0; }
  .topbar { display: flex; }
}

/* Page layout */
.container { max-width: 1120px; margin: 0 auto; padding: 34px 32px; }
.page-title { font-size: 24px; font-weight: 800; margin: 0 0 22px; letter-spacing: -0.5px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin: 0 0 14px; font-size: 14.5px; font-weight: 700; }
.stat-row { display: flex; gap: 28px; flex-wrap: wrap; }
.stat-tile { min-width: 140px; }
.stat-value { font-size: 25px; font-weight: 800; letter-spacing: -0.5px; }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 3px; font-weight: 500; }

/* Tasks */
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.page-head .page-title { margin: 0; }
.back-link { display: inline-block; margin-bottom: 12px; color: var(--muted); text-decoration: none; font-size: 12.5px; font-weight: 600; }
.back-link:hover { color: var(--text); }

.task-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.12s, box-shadow 0.12s;
}
.task-row:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.task-title { font-weight: 600; font-size: 14px; flex: 1; }
.task-app { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: capitalize; }

.task-status, .status-badge {
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--neutral-soft);
  color: var(--text-secondary);
  white-space: nowrap;
}
.status-awaiting_approval { background: var(--warning-soft); color: var(--warning); }
.status-deployed { background: var(--success-soft); color: var(--success); }
.status-failed { background: var(--danger-soft); color: var(--danger); }
.status-working, .status-queued { background: var(--accent-soft); color: var(--accent); }
.status-rolled_back { background: var(--neutral-soft); color: var(--muted); }

.field textarea, .field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: #fbfbfd;
}

.msg { padding: 12px 0; border-bottom: 1px solid var(--border); }
.msg:last-child { border-bottom: none; }
.msg-role { font-size: 10.5px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.4px; color: var(--muted); margin-bottom: 5px; }
.msg-user .msg-role { color: var(--accent); }
.msg-content { font-size: 14px; line-height: 1.6; white-space: pre-wrap; color: var(--text); }

/* Emergency stop */
.estop-box { border-top: 1px solid var(--border); margin-top: 12px; padding: 12px 8px 4px; }
.estop-label { display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; cursor: pointer; }
.estop-label input { accent-color: var(--danger); width: 15px; height: 15px; }
.estop-hint { font-size: 10.5px; margin: 3px 0 0 23px; }

/* App dashboard cards */
.app-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; align-items: stretch; }
@media (max-width: 720px) { .app-grid { grid-template-columns: 1fr; } }
.app-card {
  position: relative;
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.15s;
  overflow: hidden;
}
.app-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent-color, var(--border));
}
.app-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--border-strong); }
.app-card-empty { opacity: 0.65; }
.app-card-head { display: flex; align-items: center; gap: 12px; }
.app-icon {
  font-size: 19px;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft, var(--neutral-soft));
  border-radius: 11px;
}
.app-name { font-size: 15.5px; font-weight: 700; letter-spacing: -0.2px; }

.env-pills { display: flex; gap: 7px; margin-top: 16px; flex-wrap: wrap; }
.env-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 700;
  padding: 5px 11px 5px 9px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: filter 0.1s;
}
.env-pill:hover { filter: brightness(0.97); }
.env-pill-prod { background: var(--success-soft); color: var(--success); }
.env-pill-sandbox { background: var(--warning-soft); color: var(--warning); }
.env-pill-disabled { background: var(--neutral-soft); color: var(--muted); cursor: default; }
.env-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 36px 0 14px; }
.section-title { margin: 0; font-size: 15px; font-weight: 700; }

/* App filter tabs on Tasks page */
.app-tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.app-tab {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-secondary);
  transition: border-color 0.1s, background 0.1s;
}
.app-tab:hover { border-color: var(--border-strong); }
.app-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.app-tab-count { opacity: 0.75; font-weight: 500; }

/* Dashboard: per-app column (widget + its own task list) */
.app-column { display: flex; flex-direction: column; gap: 10px; }
.app-card-combined { display: flex; flex-direction: column; }
.app-card-divider { border-top: 1px solid var(--border); margin: 16px -22px; }
.app-tasks { min-width: 0; display: flex; flex-direction: column; flex: 1; min-height: 0; }
.app-tasks-body { overflow-y: auto; max-height: 210px; }
.app-tasks-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 10px;
}
.app-tasks-head .back-link { margin-bottom: 0; text-transform: none; letter-spacing: normal; }
.task-row-compact { padding: 9px 12px; margin-bottom: 6px; gap: 10px; align-items: flex-start; min-width: 0; }
.task-row-compact .task-title {
  font-size: 13px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.35;
  min-width: 0;
  flex: 1 1 auto;
}
.task-row-compact .task-status { flex-shrink: 0; }
.app-tasks-empty { margin: 0; padding: 4px 0; }