:root {
  --bg-main: #080b0f;
  --bg-card: rgba(15, 20, 26, 0.92);
  --bg-card-sub: #131a22;
  --bg-input: #0e141b;
  --border-dim: #232d36;
  --border-focus: #6ee7b7;
  --text-main: #e9f0f2;
  --text-bright: #f6fafb;
  --text-muted: #84919e;
  --accent: #6ee7b7;
  --accent-glow: rgba(110, 231, 183, 0.45);
  --danger: #f87171;
  --warning: #f59e0b;
  --info: #38bdf8;
  --purple: #c084fc;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans JP", sans-serif;
  font-synthesis: none;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-main);
  background: var(--bg-main);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    radial-gradient(circle at 80% 5%, rgba(42, 196, 147, 0.12), transparent 40%),
    var(--bg-main);
  background-size: 36px 36px, 36px 36px, auto, auto;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea,
a {
  font: inherit;
  color: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.shell {
  width: min(1360px, calc(100% - 24px));
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* ヘッダー */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  border-bottom: 1px solid var(--border-dim);
  padding: 8px 0;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-size: 1.15rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brandmark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 9px;
  color: var(--accent);
  font-family: ui-monospace, monospace;
}

.user-control {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
}

.user-name {
  color: var(--text-muted);
  font-family: ui-monospace, monospace;
}

/* 通知バー */
.notice-bar {
  padding: 12px 16px;
  margin: 12px 0 0;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: fadeIn 0.2s ease;
}

.notice-bar.error {
  background: rgba(248, 113, 113, 0.15);
  border: 1px solid var(--danger);
  color: #fca5a5;
}

.notice-bar.success {
  background: rgba(110, 231, 183, 0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
}

.notice-bar.info {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--info);
  color: var(--info);
}

/* メイン領域 */
.workspace {
  flex: 1;
  padding: 20px 0 40px;
}

/* 状態パネル */
.state-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 16px;
  text-align: center;
}

.intro {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: ui-monospace, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2.4rem, 8vw, 4.2rem);
  font-weight: 750;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--text-bright);
}

.lede {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.auth-action {
  display: flex;
  justify-content: center;
}

/* ボタンと入力 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.15s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-large {
  min-height: 50px;
  padding: 14px 28px;
  font-size: 1.05rem;
}

.btn-sm {
  min-height: 36px;
  padding: 6px 12px;
  font-size: 0.88rem;
}

.btn-primary {
  background: var(--accent);
  color: #080b0f;
  border-color: var(--accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  filter: brightness(1.1);
  box-shadow: 0 0 16px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-card-sub);
  border-color: var(--border-dim);
  color: var(--text-main);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--text-muted);
  background: #1c2633;
}

.btn-danger {
  background: rgba(248, 113, 113, 0.15);
  border-color: var(--danger);
  color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger);
  color: #080b0f;
}

.input,
.select {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text-bright);
  font-size: 1rem;
  transition: border-color 0.15s ease;
}

.input:focus,
.select:focus {
  outline: none;
  border-color: var(--border-focus);
}

textarea.input {
  min-height: 72px;
  resize: vertical;
}

.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

.help-text {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .form-group {
  flex: 1;
}

/* カード共通 */
.card {
  padding: 18px;
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  background: var(--bg-card);
}

.panel-card {
  max-width: 520px;
  width: 100%;
  text-align: left;
}

.panel-card h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.panel-card .desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* プロジェクトバー */
.project-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.project-selector-wrapper {
  flex: 1;
  max-width: 380px;
}

.project-select {
  font-weight: 600;
  font-size: 1.05rem;
  background-color: var(--bg-card-sub);
}

/* タスク作成コンポーザー */
.task-composer {
  margin-bottom: 18px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.28);
}

.composer-main {
  display: flex;
  gap: 10px;
}

.composer-input {
  flex: 1;
  font-size: 1rem;
}

.composer-btn {
  flex-shrink: 0;
  min-width: 80px;
}

.composer-details {
  margin-top: 10px;
}

.composer-details-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.composer-details-summary:hover {
  color: var(--accent);
}

.composer-extended {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-dim);
}

/* カンバン列タブ (スマホ向け横スクロール) */
.kanban-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  margin-bottom: 8px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-btn {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-dim);
  background: var(--bg-card-sub);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.tab-btn.active {
  border-color: var(--accent);
  color: #080b0f;
  background: var(--accent);
}

.tab-count {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 0.78rem;
  background: rgba(0, 0, 0, 0.25);
}

.tab-btn.active .tab-count {
  background: rgba(0, 0, 0, 0.35);
  color: #080b0f;
}

/* カンバンボードグリッド */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(6, minmax(280px, 1fr));
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 24px;
  align-items: start;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.kanban-column {
  background: rgba(12, 17, 23, 0.75);
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.column-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-dim);
}

.column-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 8px;
}

.column-badge {
  font-size: 0.78rem;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--bg-card-sub);
  color: var(--text-muted);
}

.column-task-list {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.column-empty {
  padding: 32px 12px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border: 1px dashed var(--border-dim);
  border-radius: 8px;
  margin: 4px;
}

/* タスクカード */
.task-card {
  padding: 14px;
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  background: var(--bg-card);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.task-card:hover {
  border-color: #3e4e5e;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.task-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-bright);
  cursor: pointer;
}

.task-title:hover {
  color: var(--accent);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Run状態バッジ */
.run-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-family: ui-monospace, monospace;
  font-weight: 600;
}

.run-badge.queued_local {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--warning);
  color: var(--warning);
}

.run-badge.running,
.run-badge.claimed,
.run-badge.testing,
.run-badge.pushed {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--info);
  color: var(--info);
}

.run-badge.done {
  background: rgba(110, 231, 183, 0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
}

.run-badge.failed,
.run-badge.timed_out {
  background: rgba(248, 113, 113, 0.15);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.run-badge.canceled {
  background: rgba(148, 163, 184, 0.15);
  border: 1px solid #64748b;
  color: #94a3b8;
}

.run-badge.review,
.run-badge.awaiting_approval {
  background: rgba(192, 132, 252, 0.15);
  border: 1px solid var(--purple);
  color: var(--purple);
}

/* カード操作エリア */
.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid #1c2530;
}

.card-nav-btns {
  display: flex;
  align-items: center;
  gap: 4px;
}

.move-select {
  min-height: 32px;
  padding: 4px 8px;
  font-size: 0.8rem;
  border-radius: 6px;
  background: var(--bg-card-sub);
  border: 1px solid var(--border-dim);
}

/* モーダル */
.modal {
  padding: 0;
  border: 0;
  background: transparent;
  width: min(600px, calc(100% - 24px));
  max-height: 90vh;
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.modal-box {
  background: #0f151c;
  border: 1px solid var(--border-dim);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
}

.modal-content {
  padding: 20px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.run-history-section {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border-dim);
}

.run-history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.run-history-item {
  padding: 10px 12px;
  background: var(--bg-card-sub);
  border: 1px solid var(--border-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

/* フッター */
.app-footer {
  min-height: 60px;
  border-top: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

/* スピナー */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(110, 231, 183, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* レスポンシブ対応 (モバイル片手操作) */
@media (max-width: 768px) {
  .shell {
    width: calc(100% - 16px);
  }

  .project-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .project-selector-wrapper {
    max-width: 100%;
  }

  /* 単一列表示モード (タブで選択した列だけを表示) */
  .kanban-board.filter-single {
    grid-template-columns: 1fr;
  }

  .kanban-board.filter-single .kanban-column:not(.active-col) {
    display: none;
  }

  .card-actions {
    flex-wrap: wrap;
  }

  .btn {
    min-height: 44px;
  }
}