/* ─── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Shared non-color tokens ───────────────────────────────────────────────── */
:root {
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;

  --safe:  #22c55e;
  --warn:  #eab308;
  --crit:  #ef4444;
  --overdue-color: #dc2626;
  --accent:       #6366f1;
  --accent-hover: #818cf8;
  --important:    #f97316; /* orange — priority badge & card border */
}

/* ─── Dark Theme ────────────────────────────────────────────────────────────── */
body[data-theme="dark"] {
  --bg:           #0d0d12;
  --surface:      #14141c;
  --surface-2:    #1c1c28;
  --surface-3:    #242434;
  --border:       #2a2a3d;
  --border-light: #383850;
  --text:         #e8e8f0;
  --text-muted:   #7878a0;
  --text-dim:     #4a4a65;

  --safe-bg:      #0f2a1a;
  --safe-border:  #1a4a2e;
  --warn-bg:      #2a2000;
  --warn-border:  #4a3800;
  --crit-bg:      #2a0a0a;
  --crit-border:  #5a1a1a;
  --overdue-bg:   #1a0505;
  --overdue-border: #6b1010;
  --overdue-gradient: linear-gradient(180deg, #1a0808 0%, #14141c 60px);

  --backlog-bg:       #0b0f1a;
  --backlog-border:   #1a2540;
  --backlog-gradient: linear-gradient(180deg, #0e1525 0%, #14141c 60px);
  --backlog-label:    #6b8fc4;

  --accent-dim:   #1e1e40;
  --deliverables:        #60a5fa;
  --deliverables-bg:     #0c1f3a;
  --deliverables-border: #1e4a7a;
  --modal-overlay-bg: rgba(0,0,0,.75);
  --shadow:    0 2px 8px rgba(0,0,0,.5);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.7);
  --overdue-glow: rgba(220,38,38,.12);
  color-scheme: dark;
}

/* ─── Light Theme ───────────────────────────────────────────────────────────── */
body[data-theme="light"] {
  --bg:           #f2f2f8;
  --surface:      #ffffff;
  --surface-2:    #f0f0f8;
  --surface-3:    #e6e6f2;
  --border:       #d4d4e8;
  --border-light: #bcbcd8;
  --text:         #16162a;
  --text-muted:   #5858a0;
  --text-dim:     #9898b8;

  --safe-bg:      #edfcf3;
  --safe-border:  #bbf7d0;
  --warn-bg:      #fefce8;
  --warn-border:  #fde68a;
  --crit-bg:      #fef2f2;
  --crit-border:  #fecaca;
  --overdue-bg:   #fff1f1;
  --overdue-border: #fca5a5;
  --overdue-gradient: linear-gradient(180deg, #ffe4e4 0%, #ffffff 60px);

  --backlog-bg:       #edf0f8;
  --backlog-border:   #b8c5de;
  --backlog-gradient: linear-gradient(180deg, #dce4f5 0%, #ffffff 60px);
  --backlog-label:    #3a5c9a;

  --accent-dim:   #eef2ff;
  --deliverables:        #2563eb;
  --deliverables-bg:     #eff6ff;
  --deliverables-border: #bfdbfe;
  --modal-overlay-bg: rgba(0,0,10,.45);
  --shadow:    0 2px 8px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.14);
  --overdue-glow: rgba(220,38,38,.08);
  color-scheme: light;
}

/* ─── Theme transition ──────────────────────────────────────────────────────── */
body,
.header, .column, .card, .modal,
.col-header, .col-cards, .col-badge,
.live-badge, .view-toggle, .view-btn,
.btn-theme, .btn-refresh, .btn-add-task, .stale-indicator,
.form-field input, .form-field textarea,
.card-footer, .modal-close,
.btn-primary, .btn-secondary, .btn-danger,
.notes-panel, .notes-textarea,
.column.col-backlog {
  transition: background-color .25s ease, color .2s ease, border-color .25s ease, box-shadow .25s ease;
}

/* ─── Base ──────────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Header ────────────────────────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-left { display: flex; align-items: center; gap: 14px; }
.header-right { display: flex; align-items: center; gap: 10px; }

.logo { display: flex; align-items: center; gap: 8px; }
.logo-icon { font-size: 20px; line-height: 1; }
.logo h1 { font-size: 17px; font-weight: 700; letter-spacing: -.3px; }

.live-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 8px;
}

.live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--safe);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.8); }
}

/* ─── Stale Indicator ───────────────────────────────────────────────────────── */
.stale-indicator {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
  letter-spacing: .1px;
  transition: color .3s ease;
}
.stale-indicator.stale {
  color: var(--warn);
}

/* ─── Refresh Button ────────────────────────────────────────────────────────── */
.btn-refresh {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background .15s, color .15s, transform .15s;
}
.btn-refresh:hover { background: var(--surface-3); color: var(--text); }
.btn-refresh.spinning { animation: spin .4s linear; }

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ─── Theme Toggle Button ───────────────────────────────────────────────────── */
.btn-theme {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.btn-theme:hover { background: var(--surface-3); color: var(--text); }

/* ─── Data Buttons (Export / Import) ───────────────────────────────────────── */
.data-btns {
  display: flex;
  gap: 2px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.btn-data {
  display: flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.btn-data:hover { background: var(--surface-3); color: var(--text); }
.btn-data--warn { color: var(--crit); }
.btn-data--warn:hover { background: color-mix(in srgb, var(--crit) 12%, transparent); color: var(--crit); }

/* ─── View Toggle ───────────────────────────────────────────────────────────── */
.view-toggle {
  display: flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.view-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: all .15s;
}
.view-btn:hover { color: var(--text); background: var(--surface-3); }
.view-btn.active { background: var(--accent); color: #fff; }

/* ─── Add Task Button ───────────────────────────────────────────────────────── */
.btn-add-task {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
}
.btn-add-task:hover  { background: var(--accent-hover); }
.btn-add-task:active { transform: scale(.97); }

/* ─── Board Layout ──────────────────────────────────────────────────────────── */
#app {
  padding: 20px;
  overflow-x: auto;
  scroll-snap-type: x proximity; /* snap columns into alignment when near */
  scroll-padding-left: 20px;     /* account for padding so snap aligns to padding edge */
  position: relative;
  cursor: default;
}
#app.drag-scrolling { cursor: grabbing; user-select: none; }

.board {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  min-height: calc(100vh - 96px);
  padding-bottom: 40px;
}

/* ─── Column ────────────────────────────────────────────────────────────────── */
.column {
  flex: 0 0 280px;
  scroll-snap-align: start; /* each column snaps to the left edge of #app */
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 100px);
  transition: border-color .2s, background .25s, box-shadow .2s;
}

.column.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 2px rgba(99,102,241,.3);
}

.column.col-backlog {
  border-color: var(--backlog-border);
  background: var(--backlog-gradient);
}
.column.col-backlog .col-header { border-bottom-color: var(--backlog-border); }
.column.col-backlog .col-label  { color: var(--backlog-label); }

.column.col-overdue {
  border-color: var(--overdue-border);
  background: var(--overdue-gradient);
  animation: overdue-glow 3s ease-in-out infinite;
}
.column.col-overdue .col-header { border-bottom-color: var(--overdue-border); }

@keyframes overdue-glow {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 20px var(--overdue-glow); }
}

.col-header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-shrink: 0;
}

.col-title-group { display: flex; flex-direction: column; gap: 2px; }

.col-label {
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.col-sublabel {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.col-badge {
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 20px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 600;
  min-width: 22px;
  text-align: center;
}

.col-actions { display: flex; align-items: center; gap: 6px; }

.col-reset-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.col-reset-btn:hover { background: var(--surface-3); color: var(--text-muted); }

.col-add-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  width: 22px;
  height: 22px;
  padding: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s, color .15s;
}
.col-add-btn:hover { background: var(--accent-dim); color: var(--accent); }

.col-overdue .col-badge { background: var(--crit-bg); border-color: var(--crit-border); color: var(--crit); }
.col-today   .col-label { color: var(--accent-hover); }

.col-cards {
  padding: 10px;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.col-cards::-webkit-scrollbar        { width: 4px; }
.col-cards::-webkit-scrollbar-track  { background: transparent; }
.col-cards::-webkit-scrollbar-thumb  { background: var(--border); border-radius: 2px; }

/* ─── Task Card ─────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 13px;
  cursor: grab;
  transition: transform .15s, box-shadow .15s, border-color .15s, background-color .25s;
  position: relative;
  border-left: 3px solid var(--border);
  animation: card-in .2s ease-out;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card:active { cursor: grabbing; }
.card.dragging { opacity: .4; transform: scale(.96); }

.card.safe     { border-left-color: var(--safe); }
.card.warning  { border-left-color: var(--warn); }
.card.critical { border-left-color: var(--crit); }
.card.overdue  { border-left-color: var(--overdue-color); background: var(--overdue-bg); }
.card.critical.pulsing { animation: pulse-card 2.5s ease-in-out infinite; }

@keyframes pulse-card {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 0 2px rgba(239,68,68,.25), var(--shadow); }
}

.card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 4px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
  line-height: 1.4;
}

.card-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity .15s;
  flex-shrink: 0;
}
.card:hover .card-actions { opacity: 1; }

.card-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: background .1s, color .1s;
}
.card-btn:hover        { background: var(--surface-3); color: var(--text); }
.card-btn.delete:hover { background: var(--crit-bg); color: var(--crit); }

.card-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
}
.card-desc--multiline {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  width: 100%;
  max-width: 100%;
}
.card-desc-line {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.card-countdown {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2px;
}

.card.safe     .card-countdown { color: var(--safe); }
.card.warning  .card-countdown { color: var(--warn); }
.card.critical .card-countdown { color: var(--crit); }
.card.overdue  .card-countdown { color: var(--overdue-color); }

.card-created { font-size: 10px; color: var(--text-dim); }

.card-meta { display: flex; align-items: center; gap: 6px; }

/* drag drop placeholder */
.card-placeholder {
  border: 2px dashed var(--accent);
  border-radius: var(--radius);
  height: 70px;
  background: var(--accent-dim);
  animation: placeholder-pulse 1s ease-in-out infinite;
}
@keyframes placeholder-pulse {
  0%, 100% { opacity: .6; }
  50% { opacity: 1; }
}

/* ─── Timeline View ─────────────────────────────────────────────────────────── */
.timeline-view {
  padding: 20px;
  min-height: calc(100vh - 96px);
}

.timeline-scroll { overflow-x: auto; padding-bottom: 20px; }

.timeline-track {
  display: flex;
  gap: 0;
  min-width: max-content;
  position: relative;
  padding-top: 52px;
}

.timeline-axis {
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
}

.timeline-col {
  width: 220px;
  flex-shrink: 0;
  position: relative;
  padding: 0 8px;
}

.timeline-marker {
  position: absolute;
  top: -52px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  width: max-content;
}

.timeline-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border-light);
  border: 2px solid var(--surface);
  position: relative;
  z-index: 1;
}
.timeline-col.t-today   .timeline-dot { background: var(--accent); width: 14px; height: 14px; }
.timeline-col.t-overdue .timeline-dot { background: var(--overdue-color); }
.timeline-col.t-tomorrow .timeline-dot { background: var(--warn); }

.timeline-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.timeline-col.t-today   .timeline-label { color: var(--accent-hover); }
.timeline-col.t-overdue .timeline-label { color: var(--overdue-color); }

.timeline-date { font-size: 10px; color: var(--text-dim); }

.timeline-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 8px;
}

/* ─── Modal ─────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
  backdrop-filter: blur(4px);
  animation: fade-in .15s ease-out;
}
.modal-overlay.hidden { display: none; }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  animation: modal-in .2s cubic-bezier(.34,1.56,.64,1);
}

.modal-sm { max-width: 340px; }

@keyframes modal-in {
  from { opacity: 0; transform: scale(.92) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-header h2 { font-size: 16px; font-weight: 700; }

.modal-close {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { background: var(--surface-3); color: var(--text); }

/* ─── Form ──────────────────────────────────────────────────────────────────── */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.form-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.req      { color: var(--crit); }
.optional { color: var(--text-dim); text-transform: none; font-weight: 400; letter-spacing: 0; font-size: 11px; }

.form-field input,
.form-field textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  padding: 9px 11px;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
  width: 100%;
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.2);
}
.form-field textarea { resize: vertical; }

/* ─── Links field ───────────────────────────────────────────────────────────── */
.link-input-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.link-input-row .link-input {
  flex: 1;
  width: auto; /* override .form-field input width:100% */
}
.btn-link-remove {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 11px;
  padding: 3px 5px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s, color .15s;
}
.btn-link-remove:hover { background: var(--crit-bg); color: var(--crit); }

.btn-add-link {
  background: transparent;
  border: none;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 0;
  cursor: pointer;
  transition: color .15s;
}
.btn-add-link:hover { color: var(--accent-hover); }

body[data-theme="dark"] .form-field input[type="date"],
body[data-theme="dark"] .form-field input[type="time"] { color-scheme: dark; }
body[data-theme="light"] .form-field input[type="date"],
body[data-theme="light"] .form-field input[type="time"] { color-scheme: light; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn-secondary:hover { background: var(--surface-3); color: var(--text); }

.btn-danger {
  background: var(--crit);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-danger:hover { background: #f87171; }

.delete-msg { color: var(--text-muted); font-size: 13px; margin-bottom: 4px; }

/* ─── Task Preview Modal ─────────────────────────────────────────────────────── */
.preview-body { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }

.preview-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--important);
  background: color-mix(in srgb, var(--important) 12%, transparent);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  width: fit-content;
}

.preview-badge--queue {
  color: #0891b2;
  background: color-mix(in srgb, #0891b2 12%, transparent);
}
body[data-theme="dark"] .preview-badge--queue {
  color: #22d3ee;
  background: color-mix(in srgb, #22d3ee 12%, transparent);
}

.preview-field { display: flex; flex-direction: column; gap: 3px; }
.preview-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.preview-value { font-size: 14px; color: var(--text); margin: 0; white-space: pre-wrap; word-break: break-word; }

.preview-links { display: flex; flex-direction: column; gap: 5px; }
.preview-link {
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
  transition: color .15s;
}
.preview-link:hover { color: var(--accent-hover); text-decoration: underline; }

/* Delete button in preview — same fill/border as btn-secondary, red on hover */
.btn-preview-delete {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.btn-preview-delete:hover {
  background: color-mix(in srgb, var(--crit) 12%, transparent);
  color: var(--crit);
  border-color: color-mix(in srgb, var(--crit) 30%, transparent);
}

/* ─── Empty State ───────────────────────────────────────────────────────────── */
.empty-hint {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 5;
}
.empty-hint.hidden { display: none; }

.empty-inner { text-align: center; pointer-events: auto; display: flex; flex-direction: column; align-items: center; }
.empty-icon  { font-size: 48px; margin-bottom: 12px; }
.empty-inner h3 { font-size: 18px; margin-bottom: 6px; color: var(--text-muted); }
.empty-inner p  { color: var(--text-dim); font-size: 13px; margin-bottom: 20px; }

/* ─── Scrollbar ─────────────────────────────────────────────────────────────── */
::-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-light); }

/* ─── Toast ─────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--surface-3);
  border: 1px solid var(--border-light);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  white-space: nowrap;
  z-index: 300;
}
.toast.toast-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.toast-error   { border-color: var(--crit-border); color: var(--crit); }
.toast.toast-overdue { border-color: var(--warn-border); color: var(--warn); }

/* ─── Important card indicator ──────────────────────────────────────────────── */
/* Orange left border + subtle fill for priority cards */
.card.important { border-left-color: var(--important) !important; }
body[data-theme="light"] .card.important { background: #fff7ed; }
body[data-theme="dark"]  .card.important { background: #1c0f00; }

/* ─── Tag: Deliverables (card accent) ──────────────────────────────────────── */
/* Cyan border for Queue — wins over urgency and important */
body[data-theme="light"] .card.tag-queue { border-left-color: #0891b2 !important; }
body[data-theme="dark"]  .card.tag-queue { border-left-color: #22d3ee !important; }

/* Blue border for Deliverables — wins over Queue */
body[data-theme="light"] .card.tag-deliverables { border-left-color: #2563eb !important; }
body[data-theme="dark"]  .card.tag-deliverables { border-left-color: #60a5fa !important; }

/* Countdown text keeps urgency color — only the border accent is overridden */

/* Tag pill on card */
.card-tag {
  margin: 3px 0 6px;
}

.card-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .3px;
  padding: 2px 8px;
  border-radius: 20px;
  line-height: 1.5;
}

.pill-queue {
  color: #0891b2;
  background: #ecfeff;
  border: 1px solid #a5f3fc;
}
body[data-theme="dark"] .pill-queue {
  color: #22d3ee;
  background: #042830;
  border-color: #0e7490;
}

.pill-deliverables {
  color: #2563eb;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
}
body[data-theme="dark"] .pill-deliverables {
  color: #60a5fa;
  background: #0c1f3a;
  border-color: #1e4a7a;
}

.pill-deliverables::before {
  content: '●';
  font-size: 7px;
  opacity: .8;
}

/* ─── Tag Checkbox (modal form) ─────────────────────────────────────────────── */
.form-field-check {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
}

.form-field-check input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--important);
  cursor: pointer;
  flex-shrink: 0;
  margin: 0;
}

.form-field-check label {
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

/* Important toggle gets orange accent and slightly bolder label */
.form-field-check--important input[type="checkbox"] { accent-color: var(--important); }
.form-field-check--important label { color: var(--text); font-weight: 600; }

/* ─── Board Nav Arrows ───────────────────────────────────────────────────────── */
.board-nav-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  background: var(--surface);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  width: 34px;
  height: 48px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: background .15s, color .15s, opacity .15s;
  opacity: 0.75;
  line-height: 1;
}
.board-nav-btn:hover { background: var(--surface-3); color: var(--text); opacity: 1; }
.board-nav-btn.hidden { display: none; }
.board-nav-left  { left: 6px; }
.board-nav-right { right: 6px; }

/* ─── Notes Panel ────────────────────────────────────────────────────────────── */
.notes-panel {
  position: fixed;
  top: 56px;
  right: 0;
  width: 300px;
  height: calc(100vh - 56px);
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: 90;
  transform: translateX(100%);
  transition: transform .25s cubic-bezier(.4,0,.2,1);
}
.notes-panel.open { transform: translateX(0); }

.notes-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.notes-title { font-size: 13px; font-weight: 600; color: var(--text); }

.notes-textarea {
  flex: 1;
  width: 100%;
  padding: 16px;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  transition: color .2s ease;
}
.notes-textarea::placeholder { color: var(--text-dim); }

/* Notes toggle button — yellow hover, accent active */
#btn-notes:hover { background: color-mix(in srgb, #eab308 12%, transparent); color: #eab308; border-color: color-mix(in srgb, #eab308 30%, transparent); }
#btn-notes.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }

/* ─── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .header { padding: 0 14px; }
  .logo h1 { font-size: 15px; }
  #app { padding: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .column { flex: 0 0 260px; }
}