/* ========================================
   Bridgelist · Terminal Lab
   Dark + phosphor green, mono-typography
   ======================================== */

:root {
  --void: #07090C;
  --rack: #0E1116;
  --slab: #141821;
  --slab-hi: #1A1F2A;
  --wire: rgba(255, 255, 255, 0.08);
  --wire-strong: rgba(255, 255, 255, 0.16);
  --grid: rgba(74, 222, 128, 0.04);
  --phosphor: #4ADE80;
  --phosphor-dim: #2A8C50;
  --phosphor-glow: rgba(74, 222, 128, 0.12);
  --bone: #E8ECEF;
  --bone-dim: #6B7380;
  --bone-faint: #3A414C;
  --priority-alta: #FF6B6B;
  --priority-media: #F5C451;
  --priority-baja: #4ADE80;
  --topbar-h: 57px;
}

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

html, body { background: var(--void); }

body {
  color: var(--bone);
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.4;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
  overflow-x: hidden;
}

/* ========== Topbar ========== */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 16px 24px;
  background: var(--void);
  border-bottom: 1px solid var(--wire);
  gap: 24px;
  height: var(--topbar-h);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  letter-spacing: 0.05em;
  min-width: 0;
}

.brand {
  color: var(--phosphor);
  font-weight: 600;
  white-space: nowrap;
}
.brand::before { content: '\25B8 '; color: var(--phosphor-dim); }

.path {
  color: var(--bone-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.path-segment { color: var(--bone); }

.topbar-center {
  display: flex;
  gap: 24px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.stat { color: var(--bone-dim); }
.stat strong {
  color: var(--phosphor);
  font-weight: 500;
  margin-left: 4px;
}

.topbar-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
}

.kbd-hint {
  font-size: 10px;
  color: var(--bone-faint);
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.kbd-hint kbd {
  font-family: inherit;
  color: var(--bone-dim);
  background: var(--rack);
  border: 1px solid var(--wire);
  padding: 2px 6px;
  font-size: 10px;
}

.btn-new {
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.05em;
  background: none;
  border: 1px solid var(--wire-strong);
  color: var(--bone);
  cursor: pointer;
  padding: 8px 14px;
  transition: all 0.15s;
}
.btn-new:hover {
  border-color: var(--phosphor);
  color: var(--phosphor);
  background: var(--phosphor-glow);
}
.btn-new::before { content: '[ + '; color: var(--phosphor); }
.btn-new::after  { content: ' ]'; color: var(--phosphor); }

/* ========== Board ========== */

.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: calc(100vh - var(--topbar-h));
}

.column {
  border-right: 1px solid var(--wire);
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.4s ease both;
  min-width: 0;
}
.column:nth-child(1) { animation-delay: 0.02s; }
.column:nth-child(2) { animation-delay: 0.06s; }
.column:nth-child(3) { animation-delay: 0.10s; }
.column:nth-child(4) { animation-delay: 0.14s; border-right: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.column-head {
  position: sticky;
  top: var(--topbar-h);
  background: var(--void);
  border-bottom: 1px solid var(--wire);
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
}

.column-name {
  font-size: 12px;
  letter-spacing: 0.1em;
}
.column-name .bracket { color: var(--phosphor-dim); }
.column-name .label { color: var(--bone); }

.column-count {
  font-size: 11px;
  color: var(--phosphor);
  letter-spacing: 0.08em;
  font-weight: 500;
  animation: flicker 4s infinite;
}
@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.cards {
  padding: 12px 12px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

/* ========== Card ========== */

.card {
  background: var(--slab);
  border: 1px solid var(--wire);
  border-left: 2px solid var(--phosphor);
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.5;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  position: relative;
}
.card[data-priority="alta"]  { border-left-color: var(--priority-alta); }
.card[data-priority="media"] { border-left-color: var(--priority-media); }
.card[data-priority="baja"]  { border-left-color: var(--priority-baja); }

.card:hover {
  background: var(--slab-hi);
  border-color: var(--phosphor);
  box-shadow: 0 0 0 1px var(--phosphor-glow);
}

.card-title-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 6px;
  word-break: break-word;
}
.card-chevron {
  color: var(--phosphor);
  flex-shrink: 0;
}
.card-objetivo {
  font-size: 13px;
  color: var(--bone);
  font-weight: 500;
  line-height: 1.35;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--bone-dim);
  margin-bottom: 6px;
}
.card-meta .sep { color: var(--bone-faint); }
.card-meta .ctx { color: var(--bone); }
.card-meta .pri-alta  { color: var(--priority-alta); }
.card-meta .pri-media { color: var(--priority-media); }
.card-meta .pri-baja  { color: var(--priority-baja); }
.card-meta .when { color: var(--bone-dim); }

.card-notas {
  font-size: 11px;
  color: var(--bone-dim);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
  word-break: break-word;
}

.card-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}
.card-links a {
  font-size: 11px;
  color: var(--phosphor);
  text-decoration: none;
  border-bottom: 1px solid var(--phosphor-dim);
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.card-links a:hover {
  color: var(--bone);
  border-bottom-color: var(--bone);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.15s;
  margin-top: 8px;
  border-top: 1px dashed var(--wire);
  padding-top: 8px;
}
.card:hover .card-actions,
.card:focus-within .card-actions { opacity: 1; }

.card-actions button {
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 0.05em;
  background: none;
  border: 1px solid var(--wire);
  color: var(--bone-dim);
  cursor: pointer;
  padding: 3px 8px;
  transition: all 0.12s;
}
.card-actions button::before { content: '['; color: var(--phosphor-dim); margin-right: 4px; }
.card-actions button::after  { content: ']'; color: var(--phosphor-dim); margin-left: 4px; }
.card-actions button:hover {
  color: var(--phosphor);
  border-color: var(--phosphor);
  background: var(--phosphor-glow);
}
.card-actions button.btn-accent {
  color: var(--bone);
  border-color: var(--wire-strong);
}
.card-actions button.btn-accent:hover {
  background: var(--phosphor);
  color: var(--void);
  border-color: var(--phosphor);
}
.card-actions button.btn-accent::before,
.card-actions button.btn-accent::after { color: var(--phosphor); }
.card-actions button.btn-accent:hover::before,
.card-actions button.btn-accent:hover::after { color: var(--void); }

.card-actions button.btn-danger:hover {
  color: var(--priority-alta);
  border-color: var(--priority-alta);
  background: rgba(255, 107, 107, 0.08);
}
.card-actions button.btn-danger:hover::before,
.card-actions button.btn-danger:hover::after { color: var(--priority-alta); }

.card[data-status="trash"] { opacity: 0.55; }
.card[data-status="trash"]:hover { opacity: 1; }

.empty {
  font-size: 11px;
  color: var(--bone-faint);
  letter-spacing: 0.05em;
  padding: 12px 4px;
  text-align: left;
}
.empty::before { content: '// '; color: var(--phosphor-dim); }

.loading {
  font-size: 11px;
  color: var(--bone-dim);
  letter-spacing: 0.05em;
  padding: 12px 4px;
}
.loading::before { content: '> '; color: var(--phosphor); }

/* ========== Inspector (modal as right panel) ========== */

dialog.inspector {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: auto;
  margin: 0;
  width: 420px;
  max-width: 100vw;
  height: 100vh;
  max-height: 100vh;
  background: var(--rack);
  color: var(--bone);
  border: none;
  border-left: 1px solid var(--wire-strong);
  padding: 0;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}
dialog.inspector::backdrop {
  background: rgba(7, 9, 12, 0.5);
  backdrop-filter: blur(4px);
}
dialog.inspector[open] {
  animation: slideIn 0.22s ease;
  display: flex;
  flex-direction: column;
}
@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

dialog.inspector form {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
}

.inspector-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--wire);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}
.inspector-title {
  font-size: 12px;
  color: var(--bone);
  letter-spacing: 0.1em;
}
.inspector-title .bracket { color: var(--phosphor); }

.inspector-close {
  background: none;
  border: 1px solid var(--wire);
  color: var(--bone-dim);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  padding: 4px 8px;
  letter-spacing: 0.05em;
}
.inspector-close:hover {
  color: var(--phosphor);
  border-color: var(--phosphor);
}

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

.field { margin-bottom: 18px; }

.field-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-dim);
  margin-bottom: 6px;
}
.field-label::before { content: '# '; color: var(--phosphor-dim); }

.field-input,
.field-textarea,
.field-select {
  width: 100%;
  background: var(--void);
  border: 1px solid var(--wire);
  color: var(--bone);
  font-family: inherit;
  font-size: 13px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  caret-color: var(--phosphor);
}
.field-input:focus,
.field-textarea:focus,
.field-select:focus {
  border-color: var(--phosphor);
  box-shadow: 0 0 0 1px var(--phosphor-glow);
}
.field-textarea {
  resize: vertical;
  min-height: 72px;
  line-height: 1.5;
  font-family: inherit;
}
.field-select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--bone-dim) 50%),
    linear-gradient(135deg, var(--bone-dim) 50%, transparent 50%);
  background-position: calc(100% - 14px) center, calc(100% - 8px) center;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

.links-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 6px; }
.link-row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.link-row input { flex: 1; }
.link-row button {
  background: none;
  border: 1px solid var(--wire);
  color: var(--bone-dim);
  cursor: pointer;
  padding: 6px 10px;
  font-family: inherit;
  font-size: 12px;
}
.link-row button:hover {
  color: var(--priority-alta);
  border-color: var(--priority-alta);
}

.add-link {
  font-family: inherit;
  font-size: 11px;
  background: none;
  border: 1px dashed var(--wire);
  color: var(--bone-dim);
  cursor: pointer;
  padding: 6px 10px;
  width: 100%;
  letter-spacing: 0.04em;
}
.add-link:hover {
  color: var(--phosphor);
  border-color: var(--phosphor);
}

.inspector-foot {
  padding: 16px 20px;
  border-top: 1px solid var(--wire);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--void);
  flex-shrink: 0;
}

.inspector-action {
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.04em;
  background: none;
  border: 1px solid var(--wire-strong);
  color: var(--bone);
  cursor: pointer;
  padding: 8px 14px;
  transition: all 0.15s;
}
.inspector-action:not(.primary):hover {
  color: var(--phosphor);
  border-color: var(--phosphor);
}
.inspector-action.primary {
  background: var(--phosphor);
  border-color: var(--phosphor);
  color: var(--void);
  font-weight: 600;
}
.inspector-action.primary:hover {
  background: var(--bone);
  border-color: var(--bone);
}
.return-symbol {
  color: var(--void);
  margin-left: 6px;
  font-weight: 700;
}

/* ========== Toast ========== */

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--rack);
  border: 1px solid var(--wire-strong);
  color: var(--bone);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 10px 16px;
  z-index: 200;
  animation: toastIn 0.2s ease;
}
.toast::before { content: '> '; color: var(--phosphor); }
.toast.error { border-color: var(--priority-alta); color: var(--priority-alta); }
.toast.error::before { content: '! '; color: var(--priority-alta); }
@keyframes toastIn {
  from { transform: translate(-50%, 8px); opacity: 0; }
  to { transform: translate(-50%, 0); opacity: 1; }
}

/* ========== Responsive ========== */

@media (max-width: 1200px) {
  .board { grid-template-columns: repeat(2, 1fr); }
  .column:nth-child(2) { border-right: none; }
  .column:nth-child(1),
  .column:nth-child(2) { border-bottom: 1px solid var(--wire); }
}

@media (max-width: 760px) {
  body { font-size: 12px; }
  .topbar {
    grid-template-columns: 1fr auto;
    padding: 12px 16px;
    gap: 12px;
    height: auto;
  }
  .topbar-center { display: none; }
  .kbd-hint { display: none; }
  .path { display: none; }
  .board { grid-template-columns: 1fr; }
  .column { border-right: none; border-bottom: 1px solid var(--wire); }
  .column:last-child { border-bottom: none; }
  .column-head { top: 49px; }
  dialog.inspector { width: 100vw; border-left: none; }
  .card-actions { opacity: 1; }
}

@media (max-width: 420px) {
  .topbar { padding: 10px 12px; }
  .brand { font-size: 12px; }
  .btn-new { padding: 6px 10px; font-size: 11px; }
  .cards { padding: 10px; }
}

/* ========== Accessibility ========== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:focus-visible {
  outline: 1px solid var(--phosphor);
  outline-offset: 2px;
}