@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/ttf/JetBrainsMono-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/ttf/JetBrainsMono-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/ttf/JetBrainsMono-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/noto-sans-sc/NotoSansSC-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #0b0f19;
  --surface: #131926;
  --surface-2: #1a2235;
  --surface-3: #212d44;
  --border: #263354;
  --border-hover: #3a4f7a;
  --border-focus: #58a6ff;

  --text: #e2e8f3;
  --text-2: #8899b4;
  --text-3: #4e6082;
  --text-dim: #8899b4;
  --text-muted: #4e6082;

  --primary: #58a6ff;
  --primary-hover: #79c0ff;
  --success: #3fb950;
  --success-dim: rgba(63, 185, 80, 0.12);
  --warning: #d29922;
  --warning-dim: rgba(210, 153, 34, 0.12);
  --danger: #f85149;
  --danger-dim: rgba(248, 81, 73, 0.12);
  --purple: #a371f7;
  --pink: #db61a2;
  --teal: #2dd4bf;

  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  --card-shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.4);
  --glow-primary: 0 0 20px rgba(88, 166, 255, 0.15);
  --glow-success: 0 0 20px rgba(63, 185, 80, 0.15);

  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --radius-full: 999px;

  --transition: 0.2s ease;
  --transition-slow: 0.3s ease;

  --header-h: 56px;
  --sidebar-w: 280px;
}

[data-theme="light"] {
  --bg: #f0f4fa;
  --surface: #ffffff;
  --surface-2: #f1f5fb;
  --surface-3: #e4eaf4;
  --border: #cdd7e8;
  --border-hover: #a8b8d0;
  --border-focus: #0969da;

  --text: #0f1d32;
  --text-2: #4a5e7a;
  --text-3: #8fa0ba;
  --text-dim: #4a5e7a;
  --text-muted: #8fa0ba;

  --primary: #0969da;
  --primary-hover: #0550ae;
  --success: #1a7f37;
  --success-dim: rgba(26, 127, 55, 0.1);
  --warning: #9a6700;
  --warning-dim: rgba(154, 103, 0, 0.1);
  --danger: #cf222e;
  --danger-dim: rgba(207, 34, 46, 0.1);
  --purple: #8250df;
  --pink: #bf3989;
  --teal: #0d9488;

  --card-shadow: 0 2px 8px rgba(15, 29, 50, 0.06);
  --card-shadow-hover: 0 8px 28px rgba(15, 29, 50, 0.1);
  --glow-primary: 0 0 20px rgba(9, 105, 218, 0.1);
  --glow-success: 0 0 20px rgba(26, 127, 55, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Noto Sans SC', 'JetBrains Mono', system-ui, sans-serif;
}

code, pre, .mono {
  font-family: 'JetBrains Mono', monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background var(--transition), color var(--transition);
}

header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: relative;
  z-index: 50;
  backdrop-filter: blur(12px);
  transition: background var(--transition), border-color var(--transition);
}

header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.3;
}

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

.logo {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 2px 10px rgba(88, 166, 255, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.logo:hover {
  transform: scale(1.06);
  box-shadow: 0 4px 16px rgba(88, 166, 255, 0.5);
}

.brand h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: 'JetBrains Mono', monospace;
  background: linear-gradient(135deg, var(--text), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px;
}

.header-nav-btn {
  padding: 6px 16px;
  border: none;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--text-2);
  transition: all var(--transition);
  white-space: nowrap;
}

.header-nav-btn:hover {
  color: var(--text);
  background: var(--surface-3);
}

.header-nav-btn.active {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 8px rgba(88, 166, 255, 0.3);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.auth-shell {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface-2);
  transition: border-color var(--transition);
}

.auth-shell:hover {
  border-color: var(--border-hover);
}

.auth-shell .auth-label {
  font-size: 11px;
  color: var(--text-muted);
}

.auth-shell .auth-user {
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
}

.header-shortcut {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.header-shortcut:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(88, 166, 255, 0.06);
}

.theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 16px;
}

.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: scale(1.05);
}

.status {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
}

.dot {
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(63, 185, 80, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

main {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.page {
  flex: 1;
  display: none;
  overflow: hidden;
}

.page.active {
  display: flex;
}

#page-tasks {
  flex-direction: row;
  background: var(--bg);
}

.tasks-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 20px 16px;
  gap: 20px;
  transition: background var(--transition), border-color var(--transition);
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  padding: 0 4px;
}

.stat-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: default;
}

.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateX(2px);
}

.stat-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.stat-card-icon.running {
  background: var(--success-dim);
  color: var(--success);
}

.stat-card-icon.done {
  background: rgba(88, 166, 255, 0.12);
  color: var(--primary);
}

.stat-card-icon.error {
  background: var(--danger-dim);
  color: var(--danger);
}

.stat-card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-card-value {
  font-size: 20px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1;
  color: var(--text);
}

.stat-card-label {
  font-size: 11px;
  color: var(--text-2);
}

.sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
  text-align: left;
}

.sidebar-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(88, 166, 255, 0.06);
}

.sidebar-btn.primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(88, 166, 255, 0.25);
}

.sidebar-btn.primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(88, 166, 255, 0.35);
}

.sidebar-btn .btn-icon {
  font-size: 15px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.tasks-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.tasks-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
  gap: 16px;
  transition: background var(--transition), border-color var(--transition);
}

.tasks-toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.tasks-title {
  font-size: 16px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

.task-count-badge {
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(88, 166, 255, 0.12);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

.task-sort-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.task-sort-select {
  padding: 6px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  outline: none;
  transition: all var(--transition);
  font-family: 'Noto Sans SC', sans-serif;
}

.task-sort-select:hover,
.task-sort-select:focus {
  border-color: var(--primary);
}

.task-sort-direction {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
}

.task-sort-direction:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.task-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Noto Sans SC', sans-serif;
  white-space: nowrap;
}

.task-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(88, 166, 255, 0.06);
}

.task-btn.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-dim);
}

.new-task-btn {
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  border: none;
  background: var(--primary);
  color: white;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Noto Sans SC', sans-serif;
  box-shadow: 0 2px 8px rgba(88, 166, 255, 0.25);
  white-space: nowrap;
}

.new-task-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(88, 166, 255, 0.35);
}

.tasks-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.task-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.task-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition-slow);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.task-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--border);
  transition: background var(--transition);
}

.task-card.badge-run::before { background: var(--success); }
.task-card.badge-done::before { background: var(--primary); }
.task-card.badge-err::before { background: var(--danger); }

.task-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}

.task-card.is-stale {
  opacity: 0.65;
}

.task-card.is-expanded {
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
  box-shadow: var(--card-shadow-hover), var(--glow-primary);
}

.task-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.task-meta {
  flex: 1;
  min-width: 0;
}

.task-id {
  font-size: 10px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 4px;
}

.task-name {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  word-break: break-word;
}

.task-target {
  font-size: 12px;
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
  margin-top: 4px;
  word-break: break-word;
}

.badge {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.badge-run {
  background: var(--success-dim);
  color: var(--success);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.badge-done {
  background: rgba(88, 166, 255, 0.12);
  color: var(--primary);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

.badge-err {
  background: var(--danger-dim);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

.badge-idle {
  background: rgba(139, 148, 158, 0.12);
  color: var(--text-2);
  border: 1px solid rgba(139, 148, 158, 0.3);
}

.type-RE { background: rgba(163, 113, 247, 0.15); color: var(--purple); }
.type-WEB { background: rgba(88, 166, 255, 0.15); color: var(--primary); }
.type-CRYPTO { background: var(--warning-dim); color: var(--warning); }
.type-MISC { background: var(--success-dim); color: var(--success); }
.type-PWN { background: var(--danger-dim); color: var(--danger); }
.type-KNOWLEDGE { background: rgba(45, 212, 191, 0.15); color: var(--teal); }

.task-bar {
  height: 3px;
  width: 100%;
  background: var(--surface-3);
  border-radius: 2px;
  overflow: hidden;
}

.task-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease;
}

.task-log-area {
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.5;
  max-height: none;
  overflow: visible;
}

.task-log-area::-webkit-scrollbar {
  width: 2px;
}

.task-log-area::-webkit-scrollbar-thumb {
  background: var(--border);
}

.task-log-line {
  color: var(--text-2);
}

.task-log-line.ok { color: var(--success); }
.task-log-line.err { color: var(--danger); }
.task-log-line.warn { color: var(--warning); }
.task-log-line.preview {
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.task-summary-block {
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.task-summary-label {
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1.2;
}

.task-summary-value {
  color: var(--text-2);
  font-size: 11px;
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.task-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.task-time {
  font-size: 10px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.task-actions {
  display: flex;
  gap: 5px;
}

.task-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(88, 166, 255, 0.02), transparent);
}

.task-detail-block {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  overflow: hidden;
}

.task-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.task-detail-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
}

.task-detail-body {
  padding: 12px;
}

.task-engineering-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.task-meta-chip {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.task-meta-chip-label {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
}

.task-meta-chip-value {
  font-size: 12px;
  color: var(--text);
  word-break: break-word;
}

.task-engineering-loglist {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 260px;
  overflow-y: auto;
  padding-right: 2px;
}

.task-engineering-loglist::-webkit-scrollbar {
  width: 3px;
}

.task-engineering-loglist::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 99px;
}

.task-engineering-log {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-2);
  font-size: 11px;
  line-height: 1.6;
  font-family: 'JetBrains Mono', monospace;
  word-break: break-word;
}

.task-llm-content {
  max-height: 360px;
  overflow-y: auto;
  padding-right: 2px;
  line-height: 1.7;
  color: var(--text);
}

.task-llm-content::-webkit-scrollbar {
  width: 3px;
}

.task-llm-content::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 99px;
}

.task-llm-empty {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.7;
}

.task-llm-content h1, .task-llm-content h2, .task-llm-content h3, .task-llm-content h4 {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.4;
}

.task-llm-content p { margin: 0 0 10px; }

.task-llm-content ul, .task-llm-content ol {
  margin: 0 0 10px 18px;
  padding: 0;
}

.task-llm-content li { margin-bottom: 6px; }

.task-llm-content pre {
  margin: 0 0 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  overflow-x: auto;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
}

.task-llm-content code { font-family: 'JetBrains Mono', monospace; }

.task-llm-content :not(pre) > code {
  padding: 2px 5px;
  border-radius: 4px;
  background: rgba(88, 166, 255, 0.08);
}

.task-llm-content blockquote {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-left: 3px solid var(--primary);
  background: rgba(88, 166, 255, 0.04);
  color: var(--text-2);
}

.task-empty-state {
  grid-column: 1 / -1;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-muted);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.task-empty-state-icon {
  font-size: 40px;
  opacity: 0.4;
}

.task-empty-state-text {
  font-size: 14px;
}

body.task-refresh-paused .task-grid {
  outline: 1px dashed var(--border);
  outline-offset: 6px;
  border-radius: var(--radius-sm);
}

body.task-refresh-paused .task-card {
  border-color: color-mix(in srgb, var(--primary) 18%, var(--border));
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
  position: relative;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.form-input {
  width: 100%;
  padding: 9px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  outline: none;
  transition: all var(--transition);
  box-sizing: border-box;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-group.hidden {
  display: none;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  background: var(--surface-2);
  transition: all var(--transition);
  position: relative;
}

.upload-zone:hover {
  border-color: var(--primary);
  background: rgba(88, 166, 255, 0.04);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-icon {
  font-size: 24px;
  margin-bottom: 8px;
  opacity: 0.7;
}

.upload-text {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.6;
}

.upload-files {
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-2);
  font-family: 'JetBrains Mono', monospace;
  text-align: left;
}

.upload-files div {
  padding: 3px 0;
}

.eye-btn {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px;
  font-size: 14px;
}

.eye-btn:hover {
  color: var(--text);
}

.btn {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-sec {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-sec:hover {
  background: var(--surface-3);
  border-color: var(--border-hover);
}

.btn-inline {
  width: auto;
  min-width: 92px;
  padding: 8px 12px;
  font-size: 12px;
  flex-shrink: 0;
}

.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(6px);
  padding: 20px;
}

.modal-bg.show, .modal-bg.active {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--glow-primary);
  animation: modalIn 0.25s ease-out;
  overflow: hidden;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(12px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-title {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  font-weight: 700;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: var(--surface-2);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.mbtn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Noto Sans SC', sans-serif;
}

.mbtn-p {
  background: var(--primary);
  color: white;
  border: none;
}

.mbtn-p:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.mbtn-s {
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.mbtn-s:hover {
  border-color: var(--primary);
  color: var(--primary);
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

.hidden {
  display: none !important;
}

.label-optional {
  font-weight: normal;
  color: var(--text-muted);
  font-size: 11px;
}

@media (max-width: 900px) {
  .tasks-sidebar {
    display: none;
  }

  .tasks-toolbar {
    flex-wrap: wrap;
  }

  .task-grid {
    grid-template-columns: 1fr;
  }

  .task-details {
    grid-template-columns: 1fr;
  }

  .task-summary-grid {
    grid-template-columns: 1fr;
  }

  .task-engineering-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  header {
    padding: 0 12px;
  }

  .header-nav {
    display: none;
  }

  .brand h1 {
    display: none;
  }

  .auth-shell {
    min-width: auto;
  }

  .auth-shell .auth-label {
    display: none;
  }

  .tasks-container {
    padding: 12px;
  }

  .task-grid {
    grid-template-columns: 1fr;
  }
}