:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-2: #f7f9fd;
  --border: #e2e7f0;
  --text: #1c2333;
  --muted: #6b7488;
  --accent: #2f6fed;
  --done-fg: #1f8a4c;
  --prog-fg: #b27200;
  --plan-fg: #2f6fed;
  --fut-fg:  #7b3fbf;
  --critical: #d9534f;
  --topbar-h: 72px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
.muted { color: var(--muted); }
.small { font-size: 11px; }
.spacer { flex: 1; }

/* ================ TOPBAR ================ */
.topbar {
  height: var(--topbar-h);
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-inner {
  max-width: 1500px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}
.brand-logo {
  height: 48px;
  width: auto;
  display: block;
}
.brand-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
}
.brand-product {
  font-weight: 600;
  letter-spacing: -0.2px;
  font-size: 15px;
  color: var(--muted);
}
.topbar-nav { flex: 1; }
.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.topbar-user .avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
  overflow: hidden;
}
.topbar-user .avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ================ VIEWS ================ */
#main {
  max-width: 1500px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}
.view { display: block; }
.view[hidden] { display: none; }

.center-card {
  max-width: 420px;
  margin: 80px auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(15,30,60,0.04), 0 8px 24px rgba(15,30,60,0.06);
}
.center-card h1 { margin: 0 0 8px; font-size: 24px; letter-spacing: -0.5px; }
.center-card h2 { margin: 6px 0 6px; font-size: 18px; font-weight: 600; letter-spacing: -0.3px; }
.center-card p { font-size: 14px; margin: 4px 0; }
.center-card .btn { margin-top: 16px; }

.signin-card { max-width: 480px; padding-top: 32px; }
.signin-logo {
  width: 320px;
  height: auto;
  margin: 0 auto 18px;
  display: block;
}

.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ================ BUTTONS ================ */
.btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 7px 13px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .12s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
}
.btn:hover { background: var(--panel-2); border-color: #ccd3e0; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: #2560d9; }
.btn.primary.green { background: var(--done-fg); border-color: var(--done-fg); }
.btn.primary.green:hover { background: #176d3a; }
.btn.danger { color: #b54040; border-color: #e5c3c3; background: var(--panel); }
.btn.danger:hover { background: #fde9e9; border-color: #d99a9a; }
.btn.big { padding: 12px 22px; font-size: 14px; margin-top: 18px; }
.btn.small { padding: 4px 9px; font-size: 11px; }
.btn.link { background: none; border: none; color: var(--accent); padding: 0; margin: 0 0 6px; font-weight: 500; }
.btn.link:hover { background: none; text-decoration: underline; }

/* ================ DASHBOARD ================ */
.dashboard-header,
.editor-header,
.share-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.dashboard-header h1,
.editor-header h1,
.share-header h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.5px;
}
.editor-header h1[contenteditable]:focus,
.editor-header p[contenteditable]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.project-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  cursor: pointer;
  transition: all .15s ease;
  position: relative;
  box-shadow: 0 1px 2px rgba(15,30,60,0.03);
}
.project-card:hover {
  border-color: #ccd3e0;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(15,30,60,0.08);
}
.project-card h3 {
  margin: 0 0 4px;
  font-size: 16px;
  letter-spacing: -0.2px;
}
.project-card .pc-sub { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.project-card .pc-stats {
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: var(--muted);
}
.project-card .pc-stats b { color: var(--text); font-weight: 700; }
.project-card .pc-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--done-fg);
  color: #fff;
}
.project-card .pc-actions {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: none;
  gap: 4px;
}
.project-card:hover .pc-actions { display: flex; }
.project-card .pc-actions .btn { padding: 3px 8px; font-size: 11px; }
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--panel);
  border: 1px dashed var(--border);
  border-radius: 14px;
}
.empty-state h2 { margin: 0 0 6px; font-size: 18px; }

/* ================ SAVE INDICATOR ================ */
.save-indicator {
  font-size: 11px;
  color: var(--muted);
  align-self: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--panel-2);
}
.save-indicator.saving { color: var(--prog-fg); background: #fff4dd; }
.save-indicator.error { color: var(--critical); background: #fde9e9; }

/* ================ META / FILTERS ================ */
.meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}
.meta b { color: var(--text); font-weight: 600; }
.filters {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  box-shadow: 0 1px 2px rgba(15,30,60,0.03);
}
.filter-group {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}
.filter-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  font-weight: 600;
  margin-right: 4px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  transition: all .12s ease;
}
.chip:hover { border-color: #b8c1d4; }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip .sw { width: 8px; height: 8px; border-radius: 50%; }
.chip[data-status="done"]     .sw { background: var(--done-fg); }
.chip[data-status="progress"] .sw { background: var(--prog-fg); }
.chip[data-status="planned"]  .sw { background: var(--plan-fg); }
.chip[data-status="future"]   .sw { background: var(--fut-fg); }
.chip.active .sw { background: #fff !important; }

/* ================ BOARD ================ */
.board {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(15,30,60,0.04), 0 8px 24px rgba(15,30,60,0.06);
}
.timeline-header {
  display: grid;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
}
.timeline-header .cell {
  padding: 14px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  border-right: 1px solid var(--border);
  text-align: center;
}
.timeline-header .cell:first-child { text-align: left; color: var(--text); }
.timeline-header .cell:last-child { border-right: none; }
.timeline-header .cell.now { background: rgba(47,111,237,0.08); color: var(--accent); }
.timeline-header .year-end { font-weight: 600; color: var(--critical); display: block; font-size: 10px; margin-top: 2px; }

.lane {
  display: grid;
  border-bottom: 1px solid var(--border);
  transition: opacity .2s ease;
}
.lane.hidden { display: none; }
.lane:last-child { border-bottom: none; }
.lane-label {
  padding: 18px 14px;
  border-right: 1px solid var(--border);
  background: var(--panel-2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  position: relative;
}
.lane-label .name {
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lane-label .dot { width: 10px; height: 10px; border-radius: 50%; }
.lane-label .priority {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.lane-edit-actions {
  display: none;
  gap: 4px;
  margin-top: 6px;
}
.lane-label:hover .lane-edit-actions { display: flex; }
.lane-edit-actions .btn { padding: 3px 8px; font-size: 11px; }
.lane-grid {
  display: grid;
  position: relative;
  min-height: 110px;
  padding: 12px 0;
}
.month-col {
  border-right: 1px solid rgba(0,0,0,0.04);
  position: relative;
}
.month-col:last-child { border-right: none; }
.month-col.now { background: rgba(47,111,237,0.04); }

/* Bars */
.bar {
  position: absolute;
  height: 32px;
  border-radius: 8px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 1px 3px rgba(15,30,60,0.15);
  cursor: pointer;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: transform .12s ease, box-shadow .12s ease, opacity .2s ease;
}
.bar:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(15,30,60,0.18);
  z-index: 3;
}
.bar.dim { opacity: 0.22; pointer-events: none; }
.bar.done       { background: linear-gradient(90deg, #2f9e5a, #46b870); }
.bar.progress   { background: linear-gradient(90deg, #e0901a, #f4b945); }
.bar.planned    { background: linear-gradient(90deg, #3a7be0, #6aa3f3); }
.bar.future     { background: linear-gradient(90deg, #8e44ad, #b07acc); }
.bar.milestone {
  background: var(--critical);
  width: 36px !important;
  height: 36px;
  border-radius: 50%;
  justify-content: center;
  padding: 0;
  font-size: 16px;
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(217,83,79,0.35);
}
.bar.milestone::after { content: "★"; }

.add-item-btn {
  position: absolute;
  bottom: 6px;
  left: 8px;
  background: transparent;
  border: 1px dashed #bcc5d6;
  color: var(--muted);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all .12s ease;
}
.add-item-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Today line */
.today-line {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--critical);
  z-index: 2;
  pointer-events: none;
}
.today-line::before {
  content: "TODAY";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--critical);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.5px;
}

/* Milestones */
.milestone-strip {
  margin-top: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  box-shadow: 0 1px 2px rgba(15,30,60,0.03);
}
.milestone-strip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.milestone-strip h3 { margin: 0; font-size: 14px; }
.milestones { display: flex; gap: 16px; flex-wrap: wrap; }
.ms {
  flex: 1 1 200px;
  background: var(--panel-2);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 12px 14px;
  cursor: pointer;
  transition: background .12s ease;
}
.ms:hover { background: #eef3fc; }
.ms .when { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }
.ms .what { font-size: 13px; font-weight: 600; margin-top: 4px; color: var(--text); }
.ms.critical { border-left-color: var(--critical); }
.ms.success  { border-left-color: var(--done-fg); }
.ms.upcoming { border-left-color: var(--prog-fg); }

/* ================ MODALS ================ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(20, 30, 50, 0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(2px);
  padding: 20px;
}
.modal-backdrop.show { display: flex; }
.modal {
  background: var(--panel);
  border-radius: 14px;
  max-width: 560px;
  width: 100%;
  padding: 24px 26px;
  box-shadow: 0 20px 60px rgba(15,30,60,0.25);
  border: 1px solid var(--border);
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 {
  margin: 0 0 6px;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.modal .sub {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 16px;
}
.modal .close-btn {
  float: right;
  margin-top: -6px;
  margin-right: -6px;
}
/* Read-only modal content (used in share view) */
.modal .detail {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  margin: 4px 0 18px;
  white-space: pre-wrap;
}
.modal .info-row {
  font-size: 13px;
  color: var(--muted);
  margin: 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.modal .info-row b {
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 70px;
  display: inline-block;
}
.modal .info-row > span { color: var(--text); }
.status-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 9px;
  border-radius: 999px;
  color: #fff;
}
.status-badge.done      { background: var(--done-fg); }
.status-badge.progress  { background: var(--prog-fg); }
.status-badge.planned   { background: var(--plan-fg); }
.status-badge.future    { background: var(--fut-fg); }
.status-badge.milestone { background: var(--critical); }

.modal .field { margin-bottom: 12px; }
.modal label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 4px;
}
.modal input[type="text"],
.modal input[type="date"],
.modal input[type="month"],
.modal textarea,
.modal select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text);
  font-family: inherit;
  transition: border-color .12s ease;
}
.modal input[type="color"] {
  width: 60px;
  height: 38px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: pointer;
  padding: 2px;
}
.modal input:focus,
.modal textarea:focus,
.modal select:focus {
  outline: none;
  border-color: var(--accent);
}
.modal textarea { resize: vertical; min-height: 70px; }
.modal .field-row { display: flex; gap: 10px; }
.modal .field-row .field { flex: 1; }
.modal .footer-actions {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.color-presets {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.color-presets .swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .12s ease;
}
.color-presets .swatch:hover { transform: scale(1.08); }
.color-presets .swatch.selected { border-color: var(--text); }

/* Share toggle */
.share-toggle { display: flex; align-items: center; gap: 12px; }
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #ccd3e0;
  transition: .2s;
  border-radius: 24px;
}
.slider::before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  transition: .2s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.switch input:checked + .slider { background: var(--done-fg); }
.switch input:checked + .slider::before { transform: translateX(20px); }

.copy-row { display: flex; gap: 8px; }
.copy-row input { flex: 1; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(60px);
  background: #1c2333;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  opacity: 0;
  transition: opacity .2s ease, transform .25s ease;
  pointer-events: none;
  z-index: 200;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.error { background: var(--critical); }

/* Print */
@media print {
  body { background: #fff; }
  .topbar, .filters, .modal-backdrop, .actions, .editor-header .btn,
  .share-header .actions, .add-item-btn, .lane-edit-actions { display: none !important; }
  .board { box-shadow: none; border-color: #ddd; }
  .bar { box-shadow: none; }
  #main { padding: 12px; }
  h1[contenteditable] { outline: none !important; }
}