@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

:root {
  --bg-page: #F6F4ED;
  --bg-card: #FFFFFF;
  --bg-grid: #FAF8F2;
  --border-color: #1E1E24;
  --text-main: #1E1E24;
  --text-muted: #52525B;
  --accent-yellow: #FBBF24;
  --accent-yellow-light: #FEF3C7;
  --accent-blue: #38BDF8;
  --accent-blue-light: #E0F2FE;
  --accent-green: #34D399;
  --accent-green-light: #D1FAE5;
  --accent-purple: #A78BFA;
  --accent-purple-light: #EDE9FE;
  --accent-rose: #FB7185;
  --accent-rose-light: #FFE4E6;
  --header-bg: #FBBF24;
  --terminal-bg: #1A1A22;
  --shadow-brutal: 3px 3px 0px var(--border-color);
  --shadow-brutal-sm: 2px 2px 0px var(--border-color);
  --shadow-brutal-lg: 5px 5px 0px var(--border-color);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Zen Kaku Gothic New', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  padding-bottom: 50px;
}

/* TOP STATUS BAR */
.top-nav-bar {
  background-color: var(--header-bg);
  border-bottom: 3px solid var(--border-color);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 99;
  gap: 12px;
}

.top-nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.badge-counter {
  background-color: var(--border-color);
  color: #FFFFFF;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  letter-spacing: 0.5px;
}

.top-title {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.btn-pill {
  background-color: #FFFFFF;
  color: var(--border-color);
  border: 2px solid var(--border-color);
  border-radius: 9999px;
  padding: 4px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-brutal-sm);
  transition: all 0.1s ease-in-out;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
}

.btn-pill:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px var(--border-color);
}

.btn-pill:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px var(--border-color);
}

.btn-pill.btn-dark {
  background-color: var(--border-color);
  color: #FFFFFF;
}

/* MAIN LAYOUT WRAPPER */
.app-container {
  max-width: 1240px;
  margin: 20px auto;
  padding: 0 16px;
}

/* TERMINAL CARD HERO */
.terminal-card {
  background-color: var(--terminal-bg);
  color: #FFFFFF;
  border: 3px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-brutal);
  overflow: hidden;
  margin-bottom: 24px;
}

.terminal-header {
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #2D2D38;
  flex-wrap: wrap;
  gap: 10px;
}

.terminal-dots-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dots-group {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background-color: #EF4444; }
.dot-yellow { background-color: #F59E0B; }
.dot-green { background-color: #10B981; }

.terminal-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: #E4E4E7;
  display: flex;
  align-items: center;
  gap: 6px;
}

.terminal-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-chip {
  background-color: var(--accent-yellow);
  color: var(--border-color);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
}

.action-chip:hover {
  filter: brightness(1.08);
}

.action-chip.chip-dark {
  background-color: #27272A;
  color: #E4E4E7;
  border-color: #3F3F46;
}

/* WORKSPACE INNER (方眼紙手帳グリッド) */
.notebook-viewport {
  background-color: var(--bg-grid);
  background-image: 
    radial-gradient(circle, rgba(0, 0, 0, 0.12) 1px, transparent 1px),
    linear-gradient(to right, rgba(0, 0, 0, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  padding: 24px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  margin: 16px;
  color: var(--text-main);
  box-shadow: inset 0 0 10px rgba(0,0,0,0.03);
}

.notebook-inner-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px dashed rgba(30, 30, 36, 0.25);
  flex-wrap: wrap;
  gap: 12px;
}

.notebook-h2 {
  font-size: 1.25rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 8px;
}

.phase-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tab-btn {
  background-color: #FFFFFF;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 1px 1px 0px var(--border-color);
}

.tab-btn.active {
  background-color: var(--border-color);
  color: #FFFFFF;
}

/* TIMELINE CONTAINER */
.timeline-stream {
  position: relative;
  padding: 10px 0 20px 0;
}

.timeline-stream::before {
  content: '';
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 90px;
  width: 3px;
  background-color: var(--border-color);
  border-radius: 2px;
}

@media (max-width: 640px) {
  .timeline-stream::before {
    left: 28px;
  }
}

.timeline-item {
  display: flex;
  margin-bottom: 20px;
  position: relative;
  align-items: flex-start;
  gap: 16px;
}

.timeline-stamp {
  width: 80px;
  text-align: right;
  flex-shrink: 0;
  padding-top: 12px;
}

.stamp-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  background: var(--accent-yellow-light);
  border: 1.5px solid var(--border-color);
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-block;
}

.stamp-phase {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 3px;
}

@media (max-width: 640px) {
  .timeline-stamp {
    display: none;
  }
}

.timeline-node {
  width: 22px;
  height: 22px;
  background-color: #FFFFFF;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 14px;
  z-index: 2;
  box-shadow: 0 0 0 3px var(--bg-grid);
  transition: all 0.2s;
}

.timeline-node.status-done {
  background-color: var(--accent-green);
}
.timeline-node.status-active {
  background-color: var(--accent-yellow);
  box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.4);
  animation: pulse-node 1.5s infinite;
}
.timeline-node.status-next {
  background-color: var(--accent-blue);
}
.timeline-node.status-future {
  background-color: #D4D4D8;
}

@keyframes pulse-node {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* TASK CARD */
.task-card {
  flex-grow: 1;
  background-color: #FFFFFF;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-brutal-sm);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}

.task-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-brutal);
  border-color: #000000;
}

.task-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.task-id-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1.5px solid var(--border-color);
  background-color: #F4F4F5;
}

.task-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.task-status-pill {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  letter-spacing: 0.3px;
}

.status-done-pill {
  background-color: var(--accent-green-light);
  color: #065F46;
}
.status-active-pill {
  background-color: var(--accent-yellow-light);
  color: #92400E;
}
.status-next-pill {
  background-color: var(--accent-blue-light);
  color: #0369A1;
}
.status-future-pill {
  background-color: #F4F4F5;
  color: #52525B;
}

.task-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.5;
}

.task-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed #E4E4E7;
  padding-top: 8px;
  font-size: 0.78rem;
  color: #71717A;
  flex-wrap: wrap;
  gap: 6px;
}

.task-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.tag-badge {
  background-color: #F3F4F6;
  border: 1px solid #D1D5DB;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  color: #374151;
}

.task-detail-hint {
  font-weight: 700;
  color: #1F2937;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* BRANCH VIEW (分岐系統樹) */
.branch-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 10px;
}

.branch-track-card {
  background: #FFFFFF;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-brutal-sm);
}

.branch-track-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.branch-track-title {
  font-size: 1rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 6px;
}

.branch-flow-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.branch-step-pill {
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  background-color: #FAF8F2;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.branch-step-pill:hover {
  background-color: var(--accent-yellow-light);
  transform: translateX(4px);
}

/* ARCHITECT REVIEW PANEL (BOTTOM) */
.architect-panel {
  background-color: var(--bg-card);
  border: 3px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-brutal);
  margin-bottom: 24px;
}

.arch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.arch-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.arch-badge {
  background-color: var(--border-color);
  color: #FFFFFF;
  font-size: 0.82rem;
  font-weight: 900;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.arch-domain-pill {
  background-color: var(--accent-yellow);
  color: var(--border-color);
  font-size: 0.76rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 9999px;
  border: 1.5px solid var(--border-color);
}

.arch-domain-right {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

.arch-quote {
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 16px;
  padding: 8px 0;
}

.arch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .arch-grid {
    grid-template-columns: 1fr;
  }
}

.arch-box {
  background-color: #FAFAFA;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  box-shadow: 1px 1px 0px var(--border-color);
}

.arch-box-title {
  font-size: 0.88rem;
  font-weight: 900;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.arch-box-title.red { color: #DC2626; }
.arch-box-title.green { color: #059669; }

.arch-box-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.arch-footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.arch-ftag {
  background-color: #FFFFFF;
  border: 1.5px solid var(--border-color);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 700;
}

.arch-code-bar {
  background-color: #FEF3C7;
  border: 1.5px solid var(--border-color);
  border-radius: 4px;
  padding: 6px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: #78350F;
}

/* BOTTOM FIXED GUIDE */
.bottom-guide-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-top: 2px solid var(--border-color);
  padding: 6px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  z-index: 90;
}

.guide-key {
  background-color: #E4E4E7;
  border: 1px solid #A1A1AA;
  border-radius: 3px;
  padding: 1px 5px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: #18181B;
}

/* MODAL DIALOG */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.active {
  display: flex;
}

.modal-window {
  background-color: var(--bg-card);
  border: 3px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-brutal-lg);
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modal-pop 0.18s ease-out;
}

@keyframes modal-pop {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-top-bar {
  background-color: var(--header-bg);
  border-bottom: 2px solid var(--border-color);
  padding: 8px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  line-height: 1.6;
}

.modal-section {
  margin-bottom: 18px;
}

.modal-h3 {
  font-size: 0.95rem;
  font-weight: 900;
  border-left: 4px solid var(--border-color);
  padding-left: 8px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.modal-code-box {
  background-color: #18181B;
  color: #F4F4F5;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  overflow-x: auto;
  position: relative;
  margin-top: 6px;
}

.btn-copy-code {
  position: absolute;
  top: 8px;
  right: 8px;
  background-color: #27272A;
  color: #E4E4E7;
  border: 1px solid #3F3F46;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.72rem;
  cursor: pointer;
}

.btn-copy-code:hover {
  background-color: #3F3F46;
}

.dependency-branch-box {
  background-color: #EFF6FF;
  border: 1.5px solid #93C5FD;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 0.85rem;
}

.dep-links {
  display: flex;
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.dep-btn {
  background-color: #FFFFFF;
  border: 1px solid #60A5FA;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #1D4ED8;
  cursor: pointer;
}

.dep-btn:hover {
  background-color: #DBEAFE;
}