:root{--font-sans:"Inter", "Noto Sans Thai", system-ui, -apple-system, sans-serif;--bg:#f3f4fb;--surface:#fff;--surface-2:#f7f8fd;--surface-3:#eef0f9;--border:#e7e9f3;--border-strong:#d9dcec;--text:#181b2b;--text-2:#5b6175;--text-3:#989fb4;--accent:#6366f1;--accent-2:#8b5cf6;--accent-soft:#6366f11a;--accent-soft-2:#8b5cf61f;--danger:#ef4444;--danger-soft:#ef44441a;--warning:#f59e0b;--warning-soft:#f59e0b1f;--success:#10b981;--success-soft:#10b9811f;--shadow-sm:0 1px 2px #181b2b0d;--shadow-md:0 2px 6px #181b2b0d, 0 10px 28px #181b2b12;--shadow-lg:0 8px 20px #181b2b1a, 0 24px 60px #181b2b1f;--ring:0 0 0 3px 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14px;display:grid}.empty-icon svg{width:30px;height:30px}.empty-title{color:var(--text-2);margin-bottom:4px;font-size:15px;font-weight:700}.empty-sub{margin-bottom:16px;font-size:13px}.modal-overlay{z-index:50;background:#0a0c168c;place-items:center;padding:20px;animation:.2s both fade-in;display:grid;position:fixed;inset:0}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border:1px solid var(--border);width:100%;max-width:520px;max-height:calc(100dvh - 60px);box-shadow:var(--shadow-lg);border-radius:20px;padding:26px;animation:.3s cubic-bezier(.22,1,.36,1) both modal-in;overflow-y:auto}@keyframes modal-in{0%{opacity:0;transform:translateY(18px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-head{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-title{letter-spacing:-.01em;font-size:18px;font-weight:800}.modal-close{width:34px;height:34px;color:var(--text-3);border-radius:10px;place-items:center;transition:all .15s;display:grid}.modal-close:hover{background:var(--surface-2);color:var(--text)}.modal-close svg{width:17px;height:17px}.field{margin-bottom:18px}.field-label{color:var(--text-2);margin-bottom:7px;font-size:12.5px;font-weight:700;display:block}.field-input,.field-textarea{border:1px solid var(--border);background:var(--surface-2);resize:vertical;border-radius:12px;outline:none;width:100%;padding:11px 14px;font-size:14px;transition:border-color .15s,box-shadow .15s}.field-input:focus,.field-textarea:focus{border-color:var(--accent);box-shadow:var(--ring);background:var(--surface)}.field-select{border:1px solid var(--border);background:var(--surface-2);width:100%;color:var(--text-1);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23989fb4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;border-radius:12px;outline:none;padding:11px 34px 11px 14px;font-size:14px;font-weight:600}.field-select:focus{border-color:var(--accent);box-shadow:var(--ring);background:var(--surface)}.field-error{color:var(--danger);margin-top:8px;font-size:12.5px;font-weight:600}.task-image-pick{border:1.5px dashed var(--border-strong);width:100%;color:var(--text-3);border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:26px 14px;font-size:13.5px;font-weight:600;transition:all .15s;display:flex}.task-image-pick:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.task-image-pick svg{width:18px;height:18px}.task-image-preview{border:1px solid var(--border);border-radius:12px;position:relative;overflow:hidden}.task-image-preview img{object-fit:cover;width:100%;max-height:220px;display:block}.task-image-remove{color:#fff;background:#0a0c1699;border-radius:9px;place-items:center;width:30px;height:30px;transition:background .15s;display:grid;position:absolute;top:8px;right:8px}.task-image-remove:hover{background:var(--danger)}.task-image-remove svg{width:15px;height:15px}.field-textarea{min-height:88px}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1.5px solid var(--border);background:var(--surface-2);color:var(--text-2);border-radius:20px;align-items:center;gap:6px;padding:7px 13px;font-size:13px;font-weight:600;transition:all .15s;display:inline-flex}.chip:hover{border-color:var(--border-strong);color:var(--text)}.chip.selected{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.chip .chip-dot{border-radius:50%;width:8px;height:8px}.chip-add{color:var(--text-3);border-style:dashed;font-weight:600}.chip-add:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.chip-add-icon{width:13px;height:13px}.new-cat{border:1px solid var(--border);background:var(--surface-2);border-radius:14px;flex-direction:column;gap:12px;margin-top:12px;padding:14px;display:flex}.new-cat-row{gap:8px;display:flex}.new-cat-name{flex:1}.new-cat-options{flex-direction:column;gap:6px;display:flex}.new-cat-label{color:var(--text-3);font-size:11.5px;font-weight:700}.new-cat-icons{flex-wrap:wrap;gap:6px;display:flex}.icon-pick{border:1.5px solid var(--border);background:var(--surface);border-radius:10px;place-items:center;width:34px;height:34px;font-size:17px;transition:all .15s;display:grid}.icon-pick:hover{border-color:var(--border-strong)}.icon-pick.selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent)}.new-cat-colors{flex-wrap:wrap;gap:8px;display:flex}.color-pick{border:2px solid #0000;border-radius:50%;width:26px;height:26px;transition:all .15s}.color-pick:hover{transform:scale(1.1)}.color-pick.selected{border-color:var(--surface);box-shadow:0 0 0 2px var(--accent)}.side-cat-del{width:20px;height:20px;color:var(--text-3);border-radius:6px;flex-shrink:0;place-items:center;margin-left:2px;font-size:15px;line-height:1;transition:all .15s;display:grid}.side-cat-del:hover{background:var(--danger-soft);color:var(--danger)}.chip-row.grid-2{grid-template-columns:1fr 1fr;gap:8px;display:grid}.chip-row.grid-2 .chip{border-radius:12px;justify-content:flex-start;padding:10px 13px}.modal-foot{align-items:center;gap:10px;margin-top:24px;display:flex}.btn-ghost{border:1px solid var(--border);background:var(--surface-2);color:var(--text-2);border-radius:12px;padding:10px 18px;font-size:14px;font-weight:700;transition:all .15s}.btn-ghost:hover{color:var(--text);border-color:var(--border-strong)}.btn-delete{background:var(--danger-soft);color:var(--danger);border-radius:12px;align-items:center;gap:7px;margin-right:auto;padding:10px 16px;font-size:14px;font-weight:700;transition:all .15s;display:inline-flex}.btn-delete:hover{background:color-mix(in srgb, var(--danger-soft) 70%, var(--danger));color:#fff}.btn-delete svg{width:15px;height:15px}.modal-confirm{max-width:420px}.confirm-message{color:var(--text-2);margin:0 0 4px;font-size:14px}.btn-danger{background:var(--danger);color:#fff;border-radius:12px;margin-left:auto;padding:10px 18px;font-size:14px;font-weight:700;transition:all .15s;box-shadow:0 6px 16px #ef444459}.btn-danger:hover{transform:translateY(-1px);box-shadow:0 8px 22px #ef444473}.image-viewer{z-index:70;cursor:zoom-out;background:#080a12d1}.image-viewer-img{max-width:min(92vw,1100px);max-height:88vh;box-shadow:var(--shadow-lg);cursor:default;border-radius:16px}.image-viewer-close{color:#fff;background:#ffffff1f;border-radius:12px;place-items:center;width:40px;height:40px;transition:background .15s;display:grid;position:fixed;top:20px;right:20px}.image-viewer-close:hover{background:var(--danger)}.image-viewer-close svg{width:19px;height:19px}.toast{z-index:60;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;border-radius:14px;align-items:center;gap:10px;padding:12px 20px;font-size:14px;font-weight:600;transition:all .3s cubic-bezier(.22,1,.36,1);display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)translateY(20px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.toast svg{width:18px;height:18px;color:var(--success)}@media (width<=1100px){.board{grid-template-columns:repeat(3,minmax(280px,1fr));padding-bottom:12px;overflow-x:auto}}@media (width<=900px){.sidebar{z-index:40;box-shadow:var(--shadow-lg);transition:transform .3s cubic-bezier(.22,1,.36,1);position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-backdrop{z-index:39;background:#0a0c1673;position:fixed;inset:0}.hamburger{display:grid}.search-input{width:160px}}@media (width<=640px){.topbar{flex-wrap:wrap;padding:14px 16px}.topbar-actions{width:100%}.search-wrap{flex:1}.search-input{width:100%}.btn-primary span{display:none}.content{padding:18px 14px 40px}.board{grid-template-columns:repeat(3,minmax(240px,1fr))}.chip-row.grid-2{grid-template-columns:1fr}}