/* ═══════════════════════════════════════════════════════════════════════════════
   KiP Engine Boardroom — Design System
   White background, colour-coded agent flow, clean orchestration interface.
   ═══════════════════════════════════════════════════════════════════════════════ */

:root {
  /* ── Brand Palette ─────────────────────────────────────────────────────── */
  --brand-navy:     #0f1729;
  --brand-blue:     #2563eb;
  --brand-indigo:   #4f46e5;
  --brand-violet:   #7c3aed;
  --brand-cyan:     #06b6d4;
  --brand-emerald:  #10b981;
  --brand-amber:    #f59e0b;
  --brand-rose:     #f43f5e;

  /* ── Agent Colours (colour-coded flow) ─────────────────────────────────── */
  --agent-director:   #4f46e5;   /* Indigo — orchestration */
  --agent-artisan:    #f43f5e;   /* Rose — creative */
  --agent-builder:    #2563eb;   /* Blue — engineering */
  --agent-curator:    #10b981;   /* Emerald — memory */
  --agent-analyst:    #06b6d4;   /* Cyan — research */
  --agent-sentinel:   #ef4444;   /* Red — policy */
  --agent-verifier:   #8b5cf6;   /* Violet — verification */
  --agent-navigator:  #f59e0b;   /* Amber — routing */
  --agent-chronicler: #64748b;   /* Slate — logging */

  /* ── Surface & Text ────────────────────────────────────────────────────── */
  --bg-primary:      #ffffff;
  --bg-secondary:    #f8fafc;
  --bg-tertiary:     #f1f5f9;
  --bg-hover:        #e2e8f0;
  --bg-active:       #dbeafe;
  --border-primary:  #e2e8f0;
  --border-secondary:#cbd5e1;
  --border-focus:    #2563eb;
  --text-primary:    #0f172a;
  --text-secondary:  #475569;
  --text-tertiary:   #94a3b8;
  --text-inverse:    #ffffff;

  /* ── Shadows ───────────────────────────────────────────────────────────── */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

  /* ── Layout ────────────────────────────────────────────────────────────── */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* ── Transitions ───────────────────────────────────────────────────────── */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ── App Shell ──────────────────────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-primary);
  position: relative;
  z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 16px; }

.logo { display: flex; align-items: center; gap: 12px; }

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--brand-indigo), var(--brand-violet));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.logo-text { display: flex; flex-direction: column; }
.logo-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--brand-navy);
}
.logo-subtitle {
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.header-right { display: flex; align-items: center; gap: 8px; }

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--bg-tertiary);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
}
.status-dot.online { background: var(--brand-emerald); box-shadow: 0 0 6px rgba(16,185,129,0.4); }

.header-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.header-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-secondary);
}
.header-btn.active {
  background: var(--brand-indigo);
  color: var(--text-inverse);
  border-color: var(--brand-indigo);
}

/* ── Main Content ───────────────────────────────────────────────────────────── */
#main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Agent Panel (Sidebar) ──────────────────────────────────────────────────── */
.agent-panel {
  width: 320px;
  min-width: 320px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  position: absolute;
  left: 0;
  top: 64px;
  bottom: 0;
  z-index: 50;
  box-shadow: var(--shadow-xl);
}
.agent-panel.open { transform: translateX(0); }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--border-primary);
}
.panel-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.panel-close {
  width: 28px;
  height: 28px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
  transition: all var(--transition-fast);
}
.panel-close:hover { background: var(--bg-hover); }

.agent-cards { padding: 12px; }

.agent-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 4px;
  border: 1px solid transparent;
}
.agent-card:hover {
  background: var(--bg-primary);
  border-color: var(--border-primary);
  box-shadow: var(--shadow-sm);
}
.agent-card.active {
  background: var(--bg-active);
  border-color: var(--brand-blue);
}

.agent-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}
.agent-avatar[data-role="director"]   { background: var(--agent-director); }
.agent-avatar[data-role="artisan"]    { background: var(--agent-artisan); }
.agent-avatar[data-role="builder"]    { background: var(--agent-builder); }
.agent-avatar[data-role="curator"]    { background: var(--agent-curator); }
.agent-avatar[data-role="analyst"]    { background: var(--agent-analyst); }
.agent-avatar[data-role="sentinel"]   { background: var(--agent-sentinel); }
.agent-avatar[data-role="verifier"]   { background: var(--agent-verifier); }
.agent-avatar[data-role="navigator"]  { background: var(--agent-navigator); }
.agent-avatar[data-role="chronicler"] { background: var(--agent-chronicler); }

.agent-info { flex: 1; min-width: 0; }
.agent-info h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.agent-info p {
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.4;
}

.agent-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.model-tag {
  font-size: 10px;
  padding: 2px 8px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
}

/* ── Memory Tiers Panel ─────────────────────────────────────────────────────── */
.memory-section {
  padding: 20px;
  border-top: 1px solid var(--border-primary);
}

.tier-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  border: 1px solid var(--border-primary);
}

.tier-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.tier-dot.working    { background: var(--brand-amber); }
.tier-dot.episodic   { background: var(--brand-cyan); }
.tier-dot.semantic   { background: var(--brand-indigo); }
.tier-dot.procedural { background: var(--brand-violet); }

.tier-info { flex: 1; }
.tier-info .tier-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.tier-info .tier-desc { font-size: 10px; color: var(--text-tertiary); }
.tier-count { font-size: 12px; font-weight: 600; color: var(--text-secondary); font-family: 'JetBrains Mono', monospace; }

/* ── Chat Container ─────────────────────────────────────────────────────────── */
.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}

/* ── Messages ───────────────────────────────────────────────────────────────── */
.messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  scroll-behavior: smooth;
}

/* ── Welcome Screen ─────────────────────────────────────────────────────────── */
.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 40px;
}

.welcome-logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--brand-indigo), var(--brand-violet));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 28px;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(79,70,229,0.2);
}

.welcome-screen h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-navy);
  margin-bottom: 8px;
}

.welcome-sub {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-width: 520px;
  width: 100%;
}

.quick-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}
.quick-action:hover {
  background: var(--bg-active);
  border-color: var(--brand-blue);
  box-shadow: var(--shadow-md);
}
.qa-icon { font-size: 16px; }

/* ── Message Bubbles ────────────────────────────────────────────────────────── */
.message {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  max-width: 800px;
  animation: fadeInUp 0.25s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.message--user {
  flex-direction: row-reverse;
  margin-left: auto;
}

.msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
  color: white;
  flex-shrink: 0;
}

.msg-avatar--user {
  background: var(--brand-navy);
  border-radius: 50%;
}

.msg-body { flex: 1; min-width: 0; }

.msg-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.msg-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.msg-time {
  font-size: 11px;
  color: var(--text-tertiary);
}

.msg-model {
  font-size: 10px;
  padding: 1px 6px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  color: var(--text-tertiary);
  font-family: 'JetBrains Mono', monospace;
}

.msg-content {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--radius-md);
}

.message--user .msg-content {
  background: var(--brand-indigo);
  color: var(--text-inverse);
  border-bottom-right-radius: 4px;
}

.message--assistant .msg-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-bottom-left-radius: 4px;
}

/* Agent colour indicator on assistant messages */
.message--assistant .msg-content {
  border-left: 3px solid var(--agent-director);
}
.message--assistant[data-agent="artisan"] .msg-content    { border-left-color: var(--agent-artisan); }
.message--assistant[data-agent="builder"] .msg-content    { border-left-color: var(--agent-builder); }
.message--assistant[data-agent="curator"] .msg-content    { border-left-color: var(--agent-curator); }
.message--assistant[data-agent="analyst"] .msg-content    { border-left-color: var(--agent-analyst); }
.message--assistant[data-agent="sentinel"] .msg-content   { border-left-color: var(--agent-sentinel); }
.message--assistant[data-agent="verifier"] .msg-content   { border-left-color: var(--agent-verifier); }
.message--assistant[data-agent="navigator"] .msg-content  { border-left-color: var(--agent-navigator); }
.message--assistant[data-agent="chronicler"] .msg-content { border-left-color: var(--agent-chronicler); }

/* ── Typing Indicator ───────────────────────────────────────────────────────── */
.typing-indicator {
  display: flex;
  gap: 5px;
  padding: 12px 16px;
}

.typing-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: typingBounce 1.4s infinite ease-in-out both;
}
.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.16s; }
.typing-dot:nth-child(3) { animation-delay: 0.32s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ── Input Area ──────────────────────────────────────────────────────────────── */
.input-area {
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border-primary);
  background: var(--bg-primary);
}

.input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 8px 12px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input-wrapper:focus-within {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

#chatInput {
  flex: 1;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  resize: none;
  outline: none;
  max-height: 120px;
  min-height: 24px;
}
#chatInput::placeholder { color: var(--text-tertiary); }

#sendBtn {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--brand-indigo);
  color: var(--text-inverse);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
#sendBtn:hover { background: var(--brand-blue); }
#sendBtn:disabled { background: var(--bg-tertiary); color: var(--text-tertiary); cursor: not-allowed; }

/* ── Agent Selector in Input ─────────────────────────────────────────────────── */
.input-role {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}
.input-role:hover { background: var(--bg-hover); }

.role-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--agent-director);
}
.role-dot[data-role="director"]   { background: var(--agent-director); }
.role-dot[data-role="artisan"]    { background: var(--agent-artisan); }
.role-dot[data-role="builder"]    { background: var(--agent-builder); }
.role-dot[data-role="curator"]    { background: var(--agent-curator); }
.role-dot[data-role="analyst"]    { background: var(--agent-analyst); }
.role-dot[data-role="sentinel"]   { background: var(--agent-sentinel); }
.role-dot[data-role="verifier"]   { background: var(--agent-verifier); }
.role-dot[data-role="navigator"]  { background: var(--agent-navigator); }
.role-dot[data-role="chronicler"] { background: var(--agent-chronicler); }

/* ── Role Selector Dropdown ─────────────────────────────────────────────────── */
.role-selector {
  position: fixed;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 6px;
  z-index: 200;
  min-width: 220px;
}
.role-selector[hidden] { display: none; }

.role-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
  transition: background var(--transition-fast);
}
.role-option:hover { background: var(--bg-tertiary); }
.role-option .role-dot { width: 8px; height: 8px; }
.role-option-name { font-weight: 500; }
.role-option-desc { font-size: 11px; color: var(--text-tertiary); margin-left: auto; }

/* ── Code Blocks in Messages ────────────────────────────────────────────────── */
.msg-content pre {
  background: var(--brand-navy);
  color: #e2e8f0;
  padding: 14px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 8px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.5;
}

.msg-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 2px 6px;
  background: rgba(0,0,0,0.06);
  border-radius: 4px;
}

.msg-content pre code {
  padding: 0;
  background: none;
}

.msg-content h1, .msg-content h2, .msg-content h3 {
  margin-top: 12px;
  margin-bottom: 6px;
}

.msg-content a {
  color: var(--brand-blue);
  text-decoration: none;
}
.msg-content a:hover { text-decoration: underline; }

.msg-content ul, .msg-content ol {
  padding-left: 20px;
  margin: 8px 0;
}

.msg-content strong { font-weight: 600; }

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .agent-panel { width: 280px; min-width: 280px; }
  .messages { padding: 16px; }
  .input-area { padding: 12px 16px 16px; }
  .quick-actions { grid-template-columns: 1fr; }
}

/* ── Scrollbar ──────────────────────────────────────────────────────────────── */
.messages::-webkit-scrollbar { width: 6px; }
.messages::-webkit-scrollbar-track { background: transparent; }
.messages::-webkit-scrollbar-thumb { background: var(--border-secondary); border-radius: 3px; }
.messages::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ── Mode Toggle ────────────────────────────────────────────────────────── */
.mode-toggle {
  display: flex;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 3px;
  border: 1px solid var(--border-primary);
}
.mode-btn {
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.mode-btn.active {
  background: white;
  color: var(--brand-navy);
  box-shadow: var(--shadow-sm);
}

/* ── Sprint Builder ─────────────────────────────────────────────────────── */
.sprint-builder {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.sprint-builder-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.sprint-builder-header h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}
.sprint-builder-actions {
  display: flex;
  gap: 8px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn-primary {
  padding: 8px 18px;
  background: var(--brand-navy);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-primary:hover { background: var(--brand-blue); }
.btn-secondary {
  padding: 8px 18px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-secondary:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.btn-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-icon:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.btn-large {
  padding: 14px 32px;
  font-size: 15px;
  border-radius: var(--radius-lg);
}

/* ── Sprint Form ─────────────────────────────────────────────────────────── */
.sprint-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sprint-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sprint-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sprint-field input,
.sprint-field textarea {
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
  resize: vertical;
}
.sprint-field input:focus,
.sprint-field textarea:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ── Sprint Tasks ────────────────────────────────────────────────────────── */
.sprint-tasks-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sprint-tasks-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sprint-tasks-header h3 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
#sprintTasks {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sprint-task-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
}
.sprint-task-row .task-num {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-navy);
  color: white;
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}
.sprint-task-row input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  background: var(--bg-secondary);
}
.sprint-task-row input:focus {
  outline: none;
  border-color: var(--brand-blue);
}
.sprint-task-row .task-agent-select {
  padding: 6px 10px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  cursor: pointer;
  min-width: 110px;
}
.sprint-task-row .task-remove {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.sprint-task-row .task-remove:hover {
  border-color: var(--agent-sentinel);
  color: var(--agent-sentinel);
}

/* ── Gate Options ────────────────────────────────────────────────────────── */
.gate-options {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.gate-option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.gate-option:hover { border-color: var(--brand-blue); }
.gate-option input[type="radio"] { display: none; }
.gate-option:has(input:checked) {
  border-color: var(--brand-blue);
  background: rgba(37, 99, 235, 0.05);
  color: var(--brand-blue);
  font-weight: 600;
}

/* ── Sprint Launch ───────────────────────────────────────────────────────── */
.sprint-launch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border-primary);
}
.sprint-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
}

/* ── Active Sprints ──────────────────────────────────────────────────────── */
.active-sprints {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-primary);
}
.active-sprints h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.sprint-card {
  padding: 14px 18px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
}
.sprint-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.sprint-card-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}
.sprint-card-status {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--brand-blue);
}
.sprint-card-obj {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}
.sprint-card-tasks {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.sprint-task-chip {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
}