/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-hover: #22263a;
  --bg-input: #13151f;
  --border: #2a2d3e;
  --border-focus: #4f6ef7;
  --text: #e8eaf6;
  --text-muted: #8b90a7;
  --text-dim: #555a72;
  --primary: #4f6ef7;
  --primary-hover: #3d5ce0;
  --primary-glow: rgba(79,110,247,0.18);
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: 'Inter', system-ui, sans-serif; min-height: 100vh; }

/* ── Auth overlay ──────────────────────────────────────────── */
.auth-overlay {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.auth-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px; width: 100%; max-width: 400px;
  box-shadow: var(--shadow);
}
.auth-logo {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.3rem; font-weight: 700; margin-bottom: 28px; color: var(--primary);
}
.auth-logo i { font-size: 1.6rem; }
.auth-tabs {
  display: flex; gap: 4px; background: var(--bg-input);
  border-radius: var(--radius-sm); padding: 4px; margin-bottom: 24px;
}
.auth-tab {
  flex: 1; padding: 8px; border: none; background: transparent;
  color: var(--text-muted); border-radius: var(--radius-sm); cursor: pointer;
  font-size: 0.9rem; transition: all 0.2s;
}
.auth-tab.active { background: var(--primary); color: #fff; }
.auth-error {
  background: rgba(248,113,113,0.12); border: 1px solid var(--danger);
  color: var(--danger); border-radius: var(--radius-sm); padding: 10px 14px;
  font-size: 0.85rem; margin-bottom: 12px;
}
.auth-form { display: none; flex-direction: column; gap: 16px; }
.auth-form.active { display: flex; }

/* ── Form elements ─────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.form-group input, .form-group select, .setting-select, .context-select {
  background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text); border-radius: var(--radius-sm); padding: 10px 14px;
  font-size: 0.95rem; outline: none; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus,
.setting-select:focus, .context-select:focus {
  border-color: var(--border-focus);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-primary {
  background: var(--primary); color: #fff; border: none;
  border-radius: var(--radius-sm); padding: 11px 20px;
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost {
  background: transparent; color: var(--text-muted); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 8px 16px;
  font-size: 0.9rem; cursor: pointer; transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); }
.btn-back {
  background: transparent; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 0.9rem; padding: 6px 0; display: inline-flex;
  align-items: center; gap: 6px; transition: color 0.2s;
}
.btn-back:hover { color: var(--text); }
.mt-16 { margin-top: 16px; }

/* ── App shell ─────────────────────────────────────────────── */
.app-shell { display: flex; flex-direction: column; min-height: 100vh; }
.hidden { display: none !important; }

/* ── Topnav ────────────────────────────────────────────────── */
.topnav {
  display: flex; align-items: center; gap: 24px;
  padding: 0 28px; height: 60px;
  background: var(--bg-card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.topnav-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1rem; color: var(--primary); white-space: nowrap;
}
.topnav-brand i { font-size: 1.2rem; }
.topnav-links { display: flex; gap: 4px; flex: 1; }
.topnav-link {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 14px; border-radius: var(--radius-sm);
  color: var(--text-muted); text-decoration: none; font-size: 0.9rem;
  transition: all 0.2s; cursor: pointer;
}
.topnav-link:hover { background: var(--bg-hover); color: var(--text); }
.topnav-link.active { background: var(--primary-glow); color: var(--primary); }

/* ── Main content ──────────────────────────────────────────── */
.main-content { flex: 1; padding: 32px 28px; max-width: 1200px; margin: 0 auto; width: 100%; }
.view { display: none; animation: fadeIn 0.2s ease; }
.view.active { display: block; }
.view-header { margin-bottom: 28px; }
.view-header h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 6px; }

/* ── Access banner ─────────────────────────────────────────── */
.access-banner {
  background: rgba(251,191,36,0.1); border: 1px solid var(--warning);
  color: var(--warning); border-radius: var(--radius); padding: 14px 20px;
  margin-bottom: 24px; display: flex; align-items: center; gap: 10px;
}
.access-message {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; text-align: center;
  color: var(--text-muted);
}

/* ── Category filters ──────────────────────────────────────── */
.category-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-btn {
  padding: 6px 14px; border-radius: 20px; border: 1px solid var(--border);
  background: transparent; color: var(--text-muted); cursor: pointer;
  font-size: 0.85rem; transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ── Agents grid ───────────────────────────────────────────── */
.agents-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.agent-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; cursor: pointer;
  display: flex; align-items: flex-start; gap: 16px;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.agent-card:hover {
  border-color: var(--primary); background: var(--bg-hover); transform: translateY(-2px);
}
.agent-icon { font-size: 2rem; flex-shrink: 0; }
.agent-info { flex: 1; }
.agent-info h3 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.agent-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 10px; }
.agent-meta { display: flex; gap: 6px; flex-wrap: wrap; }
.agent-arrow { color: var(--text-dim); font-size: 1.2rem; align-self: center; }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  font-size: 0.75rem; padding: 3px 8px; border-radius: 12px;
  font-weight: 500; display: inline-block;
}
.badge-basic { background: rgba(52,211,153,0.15); color: var(--success); }
.badge-all { background: rgba(79,110,247,0.15); color: var(--primary); }
.badge-under_development { background: rgba(251,191,36,0.15); color: var(--warning); }
.badge-category { background: var(--bg-hover); color: var(--text-muted); }
.badge-active { background: rgba(52,211,153,0.15); color: var(--success); }
.badge-paused { background: rgba(251,191,36,0.15); color: var(--warning); }
.badge-completed { background: rgba(139,144,167,0.15); color: var(--text-muted); }

/* ── Agent detail ──────────────────────────────────────────── */
.detail-header { margin-bottom: 24px; }
.detail-agent-info {
  display: flex; align-items: center; gap: 16px; margin-top: 12px;
}
.detail-agent-icon { font-size: 2.5rem; }
.detail-agent-info h2 { font-size: 1.4rem; font-weight: 700; }
.detail-body { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }

/* ── Context bar ───────────────────────────────────────────── */
.context-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px;
  grid-column: 1 / -1;
}
.context-label { font-size: 0.85rem; color: var(--text-muted); white-space: nowrap; }
.context-select { flex: 1; min-width: 200px; }
.context-hint { font-size: 0.8rem; color: var(--text-dim); }

/* ── Chat ──────────────────────────────────────────────────── */
.chat-container {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); display: flex; flex-direction: column;
  height: 600px;
}
.chat-messages {
  flex: 1; overflow-y: auto; padding: 20px; display: flex;
  flex-direction: column; gap: 16px;
}
.message { display: flex; }
.message.user { justify-content: flex-end; }
.message-content {
  max-width: 80%; padding: 12px 16px; border-radius: var(--radius);
  font-size: 0.9rem; line-height: 1.6;
}
.message.user .message-content {
  background: var(--primary); color: #fff; border-radius: var(--radius) var(--radius) 4px var(--radius);
}
.message.assistant .message-content {
  background: var(--bg-hover); color: var(--text);
  border-radius: var(--radius) var(--radius) var(--radius) 4px;
}
.message-content.thinking { color: var(--text-muted); font-style: italic; }
.message-content h3, .message-content h4 { margin: 12px 0 6px; font-size: 0.95rem; }
.message-content ul { padding-left: 18px; margin: 8px 0; }
.message-content li { margin-bottom: 4px; }
.message-content code {
  background: rgba(0,0,0,0.3); padding: 2px 6px;
  border-radius: 4px; font-family: monospace; font-size: 0.85rem;
}
.message-content strong { color: #fff; }

/* ── Tool status ───────────────────────────────────────────── */
.tool-status {
  padding: 8px 20px; background: rgba(79,110,247,0.08);
  border-top: 1px solid var(--border); font-size: 0.82rem;
  color: var(--primary); display: flex; align-items: center; gap: 8px;
}
.tool-spinner { display: inline-block; animation: spin 1s linear infinite; }
.tool-done { color: var(--success); }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ── Chat input ────────────────────────────────────────────── */
.chat-input-area {
  padding: 16px; border-top: 1px solid var(--border);
  display: flex; gap: 10px; align-items: flex-end;
}
.chat-input {
  flex: 1; background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text); border-radius: var(--radius-sm); padding: 10px 14px;
  font-size: 0.9rem; resize: none; outline: none; font-family: inherit;
  transition: border-color 0.2s;
}
.chat-input:focus { border-color: var(--border-focus); }
.send-btn { flex-shrink: 0; align-self: flex-end; }

/* ── Outputs panel ─────────────────────────────────────────── */
.outputs-panel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.outputs-panel h3 { font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.output-card {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px; margin-bottom: 10px; background: var(--bg-hover);
}
.output-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap;
}
.output-type-badge {
  font-size: 0.72rem; padding: 2px 7px; border-radius: 10px;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
}
.output-type-analysis { background: rgba(79,110,247,0.2); color: var(--primary); }
.output-type-copy { background: rgba(52,211,153,0.2); color: var(--success); }
.output-type-strategy { background: rgba(251,191,36,0.2); color: var(--warning); }
.output-type-report { background: rgba(139,144,167,0.2); color: var(--text-muted); }
.output-type-recommendation { background: rgba(248,113,113,0.2); color: var(--danger); }
.output-title { font-size: 0.88rem; font-weight: 500; flex: 1; }
.output-date { font-size: 0.78rem; }
.output-preview { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

/* ── Settings ──────────────────────────────────────────────── */
.settings-sections { display: flex; flex-direction: column; gap: 32px; }
.settings-section {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.settings-section h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.section-desc { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 20px; line-height: 1.6; }
.agents-settings-list { display: flex; flex-direction: column; gap: 12px; }
.agent-setting-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: var(--bg-hover); border-radius: var(--radius-sm);
  gap: 16px; flex-wrap: wrap;
}
.agent-setting-info { display: flex; align-items: center; gap: 12px; }
.agent-setting-icon { font-size: 1.4rem; }
.agent-setting-controls { display: flex; gap: 8px; }
.setting-select { padding: 7px 12px; font-size: 0.85rem; }

/* ── Projects list ─────────────────────────────────────────── */
.projects-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 4px; }
.project-row {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 16px; background: var(--bg-hover); border-radius: var(--radius-sm);
  flex-wrap: wrap;
}
.project-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.project-info strong { font-size: 0.95rem; }
.project-meta { display: flex; align-items: center; gap: 10px; }
.add-project-card {
  background: var(--bg-hover); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-top: 16px;
  display: flex; flex-direction: column; gap: 14px;
}
.add-project-card h3 { font-size: 1rem; font-weight: 600; }
.form-actions { display: flex; gap: 10px; }

/* ── Admin ─────────────────────────────────────────────────── */
.admin-content { }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th {
  text-align: left; padding: 10px 14px; color: var(--text-muted);
  font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.admin-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.admin-table tr:hover td { background: var(--bg-hover); }

/* ── Toast ─────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 28px; right: 28px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text); padding: 12px 20px; border-radius: var(--radius);
  font-size: 0.9rem; box-shadow: var(--shadow);
  opacity: 0; transform: translateY(8px); transition: all 0.25s;
  pointer-events: none; z-index: 9999;
}
.toast.visible { opacity: 1; transform: translateY(0); }
.toast.toast-error { border-color: var(--danger); color: var(--danger); }

/* ── Utilities ─────────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.loading { color: var(--text-muted); padding: 32px; text-align: center; }
.error { color: var(--danger); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .main-content { padding: 20px 16px; }
  .detail-body { grid-template-columns: 1fr; }
  .outputs-panel { display: none; }
  .topnav { padding: 0 16px; gap: 12px; }
  .topnav-brand span { display: none; }
}