html[data-theme="light"] {

  --bg:           #eef1f6;
  --bg-2:         #ffffff;
  --bg-3:         #f4f6fa;
  --surface:      rgba(0,0,0,.03);
  --border:       rgba(0,0,0,.1);
  --border-hi:    rgba(0,122,97,.4);
  --accent:       #007a61;
  --accent-2:     #0080c8;
  --text:         #111827;
  --muted:        #4b5563;
  --faint:        #9ca3af;

  --danger:        #dc2626;
  --danger-bg:     rgba(220,38,38,.06);
  --danger-border: rgba(220,38,38,.25);

  --bg-color:           #eef1f6;
  --secondary-bg-color: #f4f6fa;
  --tertiary-bg-color:  #ffffff;
  --text-color:         #111827;
  --card-bg:            #ffffff;
  --border-color:       rgba(0,0,0,.1);

  --card-tint-opacity:          0.55;
  --card-color-default-rgb:     150, 150, 150;
  --card-color-red-rgb:         220, 80,  80;
  --card-color-orange-rgb:      220, 140, 50;
  --card-color-yellow-rgb:      200, 175, 30;
  --card-color-light-green-rgb: 80,  170, 100;
  --card-color-dark-green-rgb:  40,  130, 80;
  --card-color-teal-rgb:        30,  160, 150;
  --card-color-cyan-rgb:        40,  180, 200;
  --card-color-blue-rgb:        60,  110, 220;
  --card-color-purple-rgb:      99,  102, 241;
  --card-color-magenta-rgb:     200, 60,  150;
  --card-color-pink-rgb:        210, 80,  130;
  --card-color-dark-rgb:        80,  80,  90;
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] {
    --bg:           #eef1f6;
    --bg-2:         #ffffff;
    --bg-3:         #f4f6fa;
    --surface:      rgba(0,0,0,.03);
    --border:       rgba(0,0,0,.1);
    --border-hi:    rgba(0,122,97,.4);
    --accent:       #007a61;
    --accent-2:     #0080c8;
    --text:         #111827;
    --muted:        #4b5563;
    --faint:        #9ca3af;
    --danger:        #dc2626;
    --danger-bg:     rgba(220,38,38,.06);
    --danger-border: rgba(220,38,38,.25);
    --bg-color:           #eef1f6;
    --secondary-bg-color: #f4f6fa;
    --tertiary-bg-color:  #ffffff;
    --text-color:         #111827;
    --inverse-text-color: #ffffff;
    --card-bg:            #ffffff;
    --border-color:       rgba(0,0,0,.1);
    --card-tint-opacity:          0.55;
    --card-color-default-rgb:     150, 150, 150;
    --card-color-red-rgb:         220, 80,  80;
    --card-color-orange-rgb:      220, 140, 50;
    --card-color-yellow-rgb:      200, 175, 30;
    --card-color-light-green-rgb: 80,  170, 100;
    --card-color-dark-green-rgb:  40,  130, 80;
    --card-color-teal-rgb:        30,  160, 150;
    --card-color-cyan-rgb:        40,  180, 200;
    --card-color-blue-rgb:        60,  110, 220;
    --card-color-purple-rgb:      99,  102, 241;
    --card-color-magenta-rgb:     200, 60,  150;
    --card-color-pink-rgb:        210, 80,  130;
    --card-color-dark-rgb:        80,  80,  90;
  }
}


html[data-theme="light"] body,
html[data-theme="system"]:where(html) body { background-color: var(--bg); color: var(--text); }

html[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(0,0,0,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.04) 1px, transparent 1px);
}

html[data-theme="light"] body::after {
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,122,97,.07) 0%, transparent 60%);
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] body::before {
    background-image:
      linear-gradient(rgba(0,0,0,.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,0,0,.04) 1px, transparent 1px);
  }
  html[data-theme="system"] body::after {
    background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0,122,97,.07) 0%, transparent 60%);
  }
}

html[data-theme="light"] body::before {
  background-image: radial-gradient(circle, rgba(0,0,0,.04) 1px, transparent 1px);
  background-size: 28px 28px;
}
@media (prefers-color-scheme: light) {
  html[data-theme="system"] body::before {
    background-image: radial-gradient(circle, rgba(0,0,0,.04) 1px, transparent 1px);
    background-size: 28px 28px;
  }
}


html[data-theme="light"] nav {
  background: rgba(238,241,246,.9);
}
html[data-theme="light"] .btn-ghost:hover {
  border-color: rgba(0,0,0,.2);
  color: var(--text);
}
html[data-theme="light"] .btn-primary-lg:hover {
  box-shadow: 0 12px 36px rgba(0,122,97,.3);
}
html[data-theme="light"] .nav__user-menu-sublist {
  background: var(--bg-2);
  border-color: var(--border);
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] nav { background: rgba(238,241,246,.9); }
  html[data-theme="system"] .btn-ghost:hover { border-color: rgba(0,0,0,.2); color: var(--text); }
  html[data-theme="system"] .nav__user-menu-sublist { background: var(--bg-2); border-color: var(--border); }
}

html[data-theme="light"] .board-wrapper {
  background-color: var(--bg);
}
html[data-theme="light"] .board-wrapper::before {
  background-image: radial-gradient(circle, rgba(0,0,0,.03) 1px, transparent 1px);
}
html[data-theme="light"] .board-cell {
  background: var(--bg-2);
  border-color: var(--border);
}

html[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg); }
html[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0,0,0,.15); }
html[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(0,122,97,.35); }
html[data-theme="light"] ::-webkit-scrollbar-corner { background: var(--bg); }
html[data-theme="light"] * { scrollbar-color: rgba(0,0,0,.15) transparent; }

@media (prefers-color-scheme: light) {
  html[data-theme="system"] .board-wrapper { background-color: var(--bg); }
  html[data-theme="system"] .board-wrapper::before { background-image: radial-gradient(circle, rgba(0,0,0,.03) 1px, transparent 1px); }
  html[data-theme="system"] .board-cell { background: var(--bg-2); border-color: var(--border); }
  html[data-theme="system"] ::-webkit-scrollbar-track { background: var(--bg); }
  html[data-theme="system"] ::-webkit-scrollbar-thumb { background: rgba(0,0,0,.15); }
  html[data-theme="system"] ::-webkit-scrollbar-corner { background: var(--bg); }
  html[data-theme="system"] * { scrollbar-color: rgba(0,0,0,.15) transparent; }
}

html[data-theme="light"] .header-spacer,
html[data-theme="light"] .column-header,
html[data-theme="light"] .swimlane-header {
  background: var(--bg-3);
}
html[data-theme="light"] .column-header {
  border-bottom-color: var(--border);
}
html[data-theme="light"] .addSwimlaneBtn,
html[data-theme="light"] .addColumnBtn {
  color: var(--muted);
  border-color: var(--border);
  background-color: var(--surface);
}
html[data-theme="light"] .column-name {
  color: var(--muted);
}
html[data-theme="light"] .column-name:hover,
html[data-theme="light"] .swimlane-name:hover {
  color: var(--text);
}
html[data-theme="light"] .column-name-input.form-control,
html[data-theme="light"] .swimlane-name-input.form-control {
  background: var(--bg-3);
  color: var(--text);
}
html[data-theme="light"] .column-name-input.form-control:focus,
html[data-theme="light"] .swimlane-name-input.form-control:focus {
  background: var(--bg-3);
  color: var(--text);
}
html[data-theme="light"] .swimlane-name { color: var(--muted); }
html[data-theme="light"] .column-actions button,
html[data-theme="light"] .swimlane-actions button { color: var(--faint); }
html[data-theme="light"] .column-actions button:hover,
html[data-theme="light"] .swimlane-actions button:hover {
  background: rgba(0,0,0,.05);
  border-color: var(--border);
  color: var(--text);
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] .header-spacer,
  html[data-theme="system"] .column-header,
  html[data-theme="system"] .swimlane-header { background: var(--bg-3); }
  html[data-theme="system"] .column-header { border-bottom-color: var(--border); }
  html[data-theme="system"] .addSwimlaneBtn,
  html[data-theme="system"] .addColumnBtn { color: var(--muted); border-color: var(--border); background-color: var(--surface); }
  html[data-theme="system"] .column-name { color: var(--muted); }
  html[data-theme="system"] .column-name:hover,
  html[data-theme="system"] .swimlane-name:hover { color: var(--text); }
  html[data-theme="system"] .column-name-input.form-control,
  html[data-theme="system"] .swimlane-name-input.form-control { background: var(--bg-3); color: var(--text); }
  html[data-theme="system"] .swimlane-name { color: var(--muted); }
  html[data-theme="system"] .column-actions button,
  html[data-theme="system"] .swimlane-actions button { color: var(--faint); }
  html[data-theme="system"] .column-actions button:hover,
  html[data-theme="system"] .swimlane-actions button:hover { background: rgba(0,0,0,.05); border-color: var(--border); color: var(--text); }
}

html[data-theme="light"] .card-item {
  background-color: var(--bg-2);
  border-color: var(--border);
  color: var(--text);
}
html[data-theme="light"] .card-item:hover {
  background-color: var(--bg-3);
  border-color: rgba(0,0,0,.15);
  box-shadow: 0 5px 16px rgba(0,0,0,.07);
}
html[data-theme="light"] .card-content { color: var(--text); }

html[data-theme="light"] .kmodal .kmodal__content {
  background: var(--bg-2) !important;
  border-color: var(--border) !important;
  box-shadow: 0 32px 80px rgba(0,0,0,.18) !important;
  color: var(--text);
}
html[data-theme="light"] .kmodal .kmodal__header {
  background: var(--bg-3);
  border-bottom-color: var(--border) !important;
}
html[data-theme="light"] .kmodal .kmodal__title { color: var(--text); }
html[data-theme="light"] .kmodal .kmodal__body {
  background: var(--bg-2);
  color: var(--text);
}
html[data-theme="light"] .kmodal .kmodal__footer {
  background: var(--bg-3);
  border-top-color: var(--border) !important;
}
html[data-theme="light"] .kmodal .kmodal__label { color: var(--muted) !important; }
html[data-theme="light"] .kmodal .kmodal__muted { color: var(--muted); }
html[data-theme="light"] .kmodal .kmodal__input {
  background-color: var(--bg-3) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
}
html[data-theme="light"] .kmodal .kmodal__input::placeholder { color: var(--faint) !important; }
html[data-theme="light"] .kmodal .kmodal__input:focus {
  border-color: var(--border-hi) !important;
  box-shadow: 0 0 0 3px rgba(0,122,97,.08) !important;
}
html[data-theme="light"] .kmodal .kmodal__help { color: var(--faint) !important; }
html[data-theme="light"] .kmodal .kmodal__btn.btn-outline-secondary {
  background: transparent !important;
  border-color: var(--border) !important;
  color: var(--muted) !important;
}
html[data-theme="light"] .kmodal .kmodal__btn.btn-outline-secondary:hover {
  border-color: rgba(0,0,0,.2) !important;
  color: var(--text) !important;
}
html[data-theme="light"] .kmodal .kmodal__btn--primary.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  color: #ffffff !important;
}
html[data-theme="light"] .kmodal .kmodal__btn--primary.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(0,122,97,.3) !important;
}
html[data-theme="light"] .modal-backdrop {
  background-color: rgba(0,0,0,.45) !important;
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] .card-item { background-color: var(--bg-2); border-color: var(--border); color: var(--text); }
  html[data-theme="system"] .card-item:hover { background-color: var(--bg-3); border-color: rgba(0,0,0,.15); box-shadow: 0 5px 16px rgba(0,0,0,.07); }
  html[data-theme="system"] .card-content { color: var(--text); }
  html[data-theme="system"] .kmodal .kmodal__content { background: var(--bg-2) !important; border-color: var(--border) !important; color: var(--text); }
  html[data-theme="system"] .kmodal .kmodal__header { background: var(--bg-3); border-bottom-color: var(--border) !important; }
  html[data-theme="system"] .kmodal .kmodal__title { color: var(--text); }
  html[data-theme="system"] .kmodal .kmodal__body { background: var(--bg-2); color: var(--text); }
  html[data-theme="system"] .kmodal .kmodal__footer { background: var(--bg-3); border-top-color: var(--border) !important; }
  html[data-theme="system"] .kmodal .kmodal__label { color: var(--muted) !important; }
  html[data-theme="system"] .kmodal .kmodal__input { background-color: var(--bg-3) !important; border-color: var(--border) !important; color: var(--text) !important; }
  html[data-theme="system"] .kmodal .kmodal__btn.btn-outline-secondary { border-color: var(--border) !important; color: var(--muted) !important; }
  html[data-theme="system"] .kmodal .kmodal__btn--primary.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important; color: #ffffff !important; }
  html[data-theme="system"] .modal-backdrop { background-color: rgba(0,0,0,.45) !important; }
}

html[data-theme="light"] #cardDetailModal .modal-content {
  background: var(--bg-2) !important;
  border-color: var(--border) !important;
  box-shadow: 0 32px 80px rgba(0,0,0,.18) !important;
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] #cardDetailModal .modal-content {
    background: var(--bg-2) !important;
    border-color: var(--border) !important;
  }
}

html[data-theme="light"] .settings-modal-backdrop {
  background: rgba(0,0,0,.4);
}
html[data-theme="light"] .smodal {
  box-shadow: 0 32px 80px rgba(0,0,0,.15);
}
html[data-theme="light"] .smodal__btn--ghost {
  border-color: var(--border);
  color: var(--muted);
}
html[data-theme="light"] .smodal__btn--ghost:hover {
  border-color: rgba(0,0,0,.2);
  color: var(--text);
}
html[data-theme="light"] .smodal__btn--primary {
  color: var(--accent);
}
html[data-theme="light"] .smodal__btn--primary:hover {
  box-shadow: 0 6px 20px rgba(0,122,97,.28);
}
html[data-theme="light"] .smodal__subtitle { color: var(--muted); }

@media (prefers-color-scheme: light) {
  html[data-theme="system"] .settings-modal-backdrop { background: rgba(0,0,0,.4); }
  html[data-theme="system"] .smodal { box-shadow: 0 32px 80px rgba(0,0,0,.15); }
  html[data-theme="system"] .smodal__btn--ghost { border-color: var(--border); color: var(--muted); }
  html[data-theme="system"] .smodal__btn--ghost:hover { border-color: rgba(0,0,0,.2); color: var(--text); }
  html[data-theme="system"] .smodal__btn--primary { color: #ffffff; }
}

html[data-theme="light"] .modal-content {
  box-shadow: 0 32px 80px rgba(0,0,0,.18) !important;
}
html[data-theme="light"] .btn-close {
  filter: none !important;
  opacity: .55;
}
html[data-theme="light"] .modal .form-control:focus {
  border-color: var(--border-hi) !important;
  box-shadow: 0 0 0 3px rgba(0,122,97,.08) !important;
}
html[data-theme="light"] .modal .btn-secondary:hover,
html[data-theme="light"] .modal .btn-outline-secondary:hover {
  border-color: rgba(0,0,0,.2) !important;
}
html[data-theme="light"] .modal .btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 22px rgba(0,122,97,.3) !important;
}
html[data-theme="light"] .upload-area:hover {
  border-color: var(--border-hi);
  background: rgba(0,122,97,.04);
}
html[data-theme="light"] .upload-guidelines {
  background: rgba(0,128,200,.06);
  border-color: rgba(0,128,200,.2);
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] .modal-content { box-shadow: 0 32px 80px rgba(0,0,0,.18) !important; }
  html[data-theme="system"] .btn-close { filter: none !important; opacity: .55; }
  html[data-theme="system"] .modal .form-control:focus { border-color: var(--border-hi) !important; box-shadow: 0 0 0 3px rgba(0,122,97,.08) !important; }
  html[data-theme="system"] .modal .btn-secondary:hover,
  html[data-theme="system"] .modal .btn-outline-secondary:hover { border-color: rgba(0,0,0,.2) !important; }
  html[data-theme="system"] .modal .btn-primary:hover:not(:disabled) { box-shadow: 0 6px 22px rgba(0,122,97,.3) !important; }
  html[data-theme="system"] .upload-area:hover { border-color: var(--border-hi); background: rgba(0,122,97,.04); }
  html[data-theme="system"] .upload-guidelines { background: rgba(0,128,200,.06); border-color: rgba(0,128,200,.2); }
}

html[data-theme="light"] .dashboard-loader {
  background: var(--bg);
}

@media (prefers-color-scheme: light) {
  html[data-theme="system"] .dashboard-loader { background: var(--bg); }
}

.theme-picker {
  display: flex;
  gap: .5rem;
}

.theme-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .45rem;
  padding: .85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-3);
  cursor: pointer;
  flex: 1;
  text-align: center;
  transition: border-color .18s, background .18s, box-shadow .18s;
  user-select: none;
}

.theme-option input[type="radio"] {
  display: none;
}

.theme-option__icon {
  font-size: 1.4rem;
  line-height: 1;
}

.theme-option__label {
  font-size: .72rem;
  font-weight: 700;
  font-family: var(--font-head);
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .18s;
}

.theme-option:has(input:checked),
.theme-option--active {
  border-color: var(--border-hi);
  background: var(--bg-2);
  box-shadow: 0 0 0 1px var(--border-hi) inset;
}

.theme-option:has(input:checked) .theme-option__label,
.theme-option--active .theme-option__label {
  color: var(--accent);
}

.theme-option:not(:has(input:checked)):not(.theme-option--active):hover {
  border-color: rgba(255,255,255,.14);
  background: var(--bg-2);
}

html[data-theme="light"] .theme-option:not(:has(input:checked)):not(.theme-option--active):hover {
  border-color: rgba(0,0,0,.15);
}

@media (max-width: 480px) {
  .theme-picker { flex-direction: column; }
}