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

:root {
  --bg: #1a1a2e;
  --surface: #16213e;
  --surface-hover: #1a2744;
  --column-bg: #0f3460;
  --card-bg: #1a2744;
  --card-hover: #1f2f52;
  --primary: #e94560;
  --primary-hover: #d63851;
  --text: #eee;
  --text-muted: #8892a4;
  --border: #2a3a5c;
  --funnel: #e94560;
  --planning: #f5a623;
  --executing: #4fc3f7;
  --done: #66bb6a;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

header,
.filter-bar {
  flex-shrink: 0;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 1.4rem;
  font-weight: 600;
}

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.15s;
}

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

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

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--surface-hover);
}

.btn-danger {
  background: #c62828;
  color: white;
}

.btn-danger:hover {
  background: #b71c1c;
}

/* Filter bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
}

.filter-pill {
  background: var(--card-bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.filter-pill:hover {
  background: var(--card-hover);
  color: var(--text);
}

.filter-pill.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.btn-small {
  padding: 4px 10px;
  font-size: 0.75rem;
}

/* Board */
.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 16px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.column {
  background: var(--column-bg);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 3px solid var(--border);
}

.column[data-phase="funnel"] .column-header { border-color: var(--funnel); }
.column[data-phase="planning"] .column-header { border-color: var(--planning); }
.column[data-phase="executing"] .column-header { border-color: var(--executing); }
.column[data-phase="done"] .column-header { border-color: var(--done); }

.column-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.count {
  background: var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
}

.ticket-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  min-height: 60px;
}

.ticket-list.drag-over {
  background: rgba(233, 69, 96, 0.08);
  border-radius: 0 0 var(--radius) var(--radius);
}

/* Ticket cards */
.ticket-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 8px;
  cursor: grab;
  transition: transform 0.1s, box-shadow 0.15s;
  position: relative;
}

.ticket-card:hover {
  background: var(--card-hover);
  box-shadow: var(--shadow);
}

.ticket-card.dragging {
  opacity: 0.4;
  transform: rotate(2deg);
}

.ticket-card .ticket-title {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 4px;
  word-break: break-word;
}

.ticket-card .ticket-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 8px;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ticket-card .ticket-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}

.tag-pill {
  background: var(--border);
  color: var(--text);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  word-break: break-word;
}

.ticket-card .ticket-meta {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

.ticket-card .phase-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: absolute;
  top: 12px;
  right: 12px;
}

.phase-dot[data-phase="funnel"] { background: var(--funnel); }
.phase-dot[data-phase="planning"] { background: var(--planning); }
.phase-dot[data-phase="executing"] { background: var(--executing); }
.phase-dot[data-phase="done"] { background: var(--done); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

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

.modal-header h3 {
  font-size: 1.1rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px;
}

.modal-close:hover {
  color: var(--text);
}

#ticketForm {
  padding: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
}

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

.form-hint {
  display: block;
  margin-top: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding-top: 8px;
}

/* Scrollbar */
.ticket-list::-webkit-scrollbar {
  width: 5px;
}

.ticket-list::-webkit-scrollbar-track {
  background: transparent;
}

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

/* Responsive */
@media (max-width: 900px) {
  body {
    height: auto;
  }
  .board {
    grid-template-columns: repeat(2, 1fr);
    flex: none;
    height: auto;
    overflow: auto;
  }
}

@media (max-width: 500px) {
  .board {
    grid-template-columns: 1fr;
  }

  header {
    padding: 12px 16px;
  }

  .modal {
    margin: 16px;
  }
}

.hidden {
  display: none !important;
}