.card{position:relative;background:var(--bg-card);border-radius:8px;border:1px solid var(--border);box-shadow:0 1px 2px var(--shadow);min-height:44px;margin-bottom:8px;overflow:hidden}.card--dragging{opacity:.9;box-shadow:0 8px 16px var(--shadow-lg);z-index:1}.card__handle{position:absolute;top:8px;right:8px;width:24px;height:24px;min-width:24px;min-height:24px;cursor:grab;border-radius:6px;background:var(--drag-handle-bg);color:var(--drag-handle-icon);display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s}.card__handle:hover{background:var(--drag-handle-bg-hover);color:var(--drag-handle-icon-hover)}.card__handle:active{cursor:grabbing}.card__handle-icon{width:10px;height:16px;pointer-events:none}.card__content{padding:12px 36px 12px 12px;cursor:pointer;min-height:44px}.card__title{font-weight:600;font-size:.9rem;display:block;margin-bottom:4px}.card__labels{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:4px}.card__label{width:12px;height:12px;border-radius:3px;flex-shrink:0}.card__due{font-size:.75rem;color:var(--text-secondary);display:block;margin-bottom:4px}.card__desc{font-size:.8rem;color:var(--text-secondary);margin:0;white-space:pre-wrap;overflow:hidden;text-overflow:ellipsis;max-height:2.4em;line-height:1.2}.card__edit{padding:12px}.card__edit input,.card__edit textarea{margin-bottom:8px}.card__edit-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px}.list{flex-shrink:0;width:280px;min-height:120px;background:var(--bg-list);border-radius:12px;border:1px solid var(--border);box-shadow:0 2px 8px var(--shadow);display:flex;flex-direction:column;max-height:calc(100vh - 180px);border-top:4px solid var(--list-color, var(--accent))}.list--over{outline:2px dashed var(--accent);outline-offset:2px}.list__header{display:flex;align-items:center;gap:8px;padding:12px;border-bottom:1px solid var(--border);flex-shrink:0}.list__header-drag{width:24px;height:24px;min-width:24px;min-height:24px;cursor:grab;border-radius:6px;background:var(--drag-handle-bg);color:var(--drag-handle-icon);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,color .15s}.list__header-drag:hover{background:var(--drag-handle-bg-hover);color:var(--drag-handle-icon-hover)}.list__header-drag:active{cursor:grabbing}.list__header-drag-icon{width:10px;height:16px;pointer-events:none}.list__header--dragging{opacity:.9}.list__title{flex:1;margin:0;font-size:1rem;font-weight:600;cursor:pointer;min-height:24px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list__title-input{flex:1;margin:0;min-width:0}.list__header-actions{display:flex;gap:4px;flex-shrink:0}.list__btn-add,.list__btn-delete{padding:4px 8px;font-size:.75rem}.list__cards{flex:1;overflow-y:auto;padding:8px;min-height:40px}@media(max-width:640px){.list{width:260px}}.board{flex:1;overflow-x:auto;overflow-y:hidden;padding:16px;min-height:0}.board__lists{display:flex;gap:16px;align-items:flex-start;min-height:200px}.board__add-list{flex-shrink:0;width:280px;min-height:80px;border:2px dashed var(--border);background:transparent;color:var(--text-secondary);font-size:.9rem}.board__add-list:hover{border-color:var(--accent);color:var(--accent);background:var(--bg-list)}.board__overlay-card,.board__overlay-list{padding:12px 16px;background:var(--bg-card);border-radius:8px;border:1px solid var(--border);box-shadow:0 8px 24px var(--shadow-lg);cursor:grabbing}.board__overlay-list{width:280px}@media(max-width:640px){.board__add-list{width:260px}}:root,[data-theme=light]{--bg-page: #f1f5f9;--bg-board: #e2e8f0;--bg-list: #ffffff;--bg-card: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--border: #cbd5e1;--accent: #2563eb;--accent-hover: #1d4ed8;--shadow: rgba(0, 0, 0, .08);--shadow-lg: rgba(0, 0, 0, .12);--drag-handle-bg: #e2e8f0;--drag-handle-icon: #64748b;--drag-handle-bg-hover: #cbd5e1;--drag-handle-icon-hover: #475569}[data-theme=dark]{--bg-page: #0f172a;--bg-board: #1e293b;--bg-list: #334155;--bg-card: #475569;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--border: #475569;--accent: #3b82f6;--accent-hover: #60a5fa;--shadow: rgba(0, 0, 0, .3);--shadow-lg: rgba(0, 0, 0, .5);--drag-handle-bg: #475569;--drag-handle-icon: #cbd5e1;--drag-handle-bg-hover: #64748b;--drag-handle-icon-hover: #f1f5f9}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-page: #0f172a;--bg-board: #1e293b;--bg-list: #334155;--bg-card: #475569;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--border: #475569;--accent: #3b82f6;--accent-hover: #60a5fa;--shadow: rgba(0, 0, 0, .3);--shadow-lg: rgba(0, 0, 0, .5);--drag-handle-bg: #475569;--drag-handle-icon: #cbd5e1;--drag-handle-bg-hover: #64748b;--drag-handle-icon-hover: #f1f5f9}}body{margin:0;min-height:100vh;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;border-radius:8px;padding:.5rem .75rem;font-size:.875rem;background:var(--accent);color:#fff;transition:background .15s}button:hover{background:var(--accent-hover)}button.secondary{background:var(--bg-list);color:var(--text-primary);border:1px solid var(--border)}button.secondary:hover{background:var(--border)}input,textarea{font-family:inherit;font-size:.875rem;color:var(--text-primary);background:var(--bg-card);border:1px solid var(--border);border-radius:6px;padding:.5rem .75rem;width:100%;box-sizing:border-box}input::placeholder,textarea::placeholder{color:var(--text-secondary);opacity:.8}.app{display:flex;flex-direction:column;min-height:100vh}.app--loading{align-items:center;justify-content:center;padding:2rem}.app__header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 16px;background:var(--bg-list);border-bottom:1px solid var(--border);flex-shrink:0}.app__title{margin:0;font-size:1.25rem;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app__actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.app__import{display:inline-flex;align-items:center;padding:.5rem .75rem;cursor:pointer}.app__error{padding:8px 16px;background:#fef2f2;color:#b91c1c;font-size:.875rem}[data-theme=dark] .app__error{background:#450a0a;color:#fca5a5}.app__main{flex:1;min-height:0;display:flex;flex-direction:column}@media(max-width:640px){.app__header{flex-wrap:wrap}.app__title{width:100%;order:1}.app__actions{order:2}}