:root{--bg: #f6f7f9;--surface: #ffffff;--surface-alt: #f1f3f6;--border: #e3e6ea;--border-strong: #cfd4da;--text: #1f2937;--text-muted: #6b7280;--accent: #2f6fed;--accent-soft: #e4edff;--danger: #e5484d;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-panel: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .1);--shadow-popover: 0 4px 12px rgba(16, 24, 40, .14);--font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface);color:var(--text);font-size:14px;font-weight:500;text-decoration:none;transition:background .12s ease,border-color .12s ease}.btn:hover{background:var(--surface-alt)}.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn--primary:hover{background:#2560d8}.btn:disabled{opacity:.6;cursor:not-allowed}.banner{padding:12px 16px;border-radius:var(--radius-md);font-size:14px;margin-bottom:16px}.banner--error{background:#fdecec;color:#a4232a;border:1px solid #f6c7c7}.boot{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted);font-size:15px}.boot--error{color:var(--danger)}.dashboard__actions{display:flex;align-items:center;gap:16px}.user-chip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);white-space:nowrap}.user-chip__avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;background:var(--surface-alt)}.user-chip__avatar--fallback{display:inline-flex;align-items:center;justify-content:center;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:600}.user-chip__name{max-width:180px;overflow:hidden;text-overflow:ellipsis}.user-chip__logout{color:var(--accent);text-decoration:none}.user-chip__logout:hover{text-decoration:underline}.dashboard{max-width:1120px;margin:0 auto;padding:48px 32px 80px}.dashboard__header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:32px}.dashboard__title{display:flex;align-items:center;gap:12px;margin:0;font-size:28px;font-weight:700;letter-spacing:-.02em}.brand-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#2f6fed,#6aa1ff);box-shadow:var(--shadow-popover)}.dashboard__subtitle{margin:6px 0 0;color:var(--text-muted);font-size:15px}.dashboard__empty{display:flex;flex-direction:column;align-items:center;gap:16px;padding:80px 24px;border:1px dashed var(--border-strong);border-radius:var(--radius-lg);background:var(--surface);color:var(--text-muted);font-size:15px}.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin:0;padding:0;list-style:none}.board-card{position:relative;border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-panel);overflow:hidden;transition:transform .14s ease,box-shadow .14s ease}.board-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10182824}.board-card__preview{display:block;width:100%;height:148px;padding:0;border:0;border-bottom:1px solid var(--border);background:var(--surface-alt)}.board-card__preview img{width:100%;height:100%;object-fit:cover}.board-card__placeholder{display:flex;width:100%;height:100%;background-image:radial-gradient(var(--border-strong) 1px,transparent 1px);background-size:16px 16px;opacity:.6}.board-card__meta{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px}.board-card__title{flex:1;border:0;background:none;padding:0;font-size:15px;font-weight:600;color:var(--text);text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.board-card__date{color:var(--text-muted);font-size:12px;white-space:nowrap}.board-card__delete{position:absolute;top:8px;right:8px;width:26px;height:26px;border:0;border-radius:50%;background:#ffffffe6;color:var(--text-muted);font-size:16px;line-height:1;opacity:0;transition:opacity .12s ease,color .12s ease}.board-card:hover .board-card__delete{opacity:1}.board-card__delete:hover{color:var(--danger)}.board{display:flex;flex-direction:column;height:100%}.board__header{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border);z-index:5}.board__back{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text);font-size:16px;text-decoration:none;transition:background .12s ease}.board__back:hover{background:var(--surface-alt)}.board__title{flex:1;max-width:520px;border:1px solid transparent;border-radius:var(--radius-sm);padding:6px 10px;background:transparent;font-size:15px;font-weight:600;color:var(--text);font-family:inherit}.board__title:hover{background:var(--surface-alt)}.board__title:focus{outline:none;background:var(--surface);border-color:var(--accent)}.board__status{font-size:13px;color:var(--text-muted);min-height:18px}.board__status--error{color:var(--danger)}.board__body{position:relative;flex:1;min-height:0}.board__loading,.board-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;height:100%;color:var(--text-muted)}.board-error{height:100vh}.canvas-root{position:absolute;inset:0;overflow:hidden;background:var(--bg);touch-action:none}.canvas-editor{position:absolute;margin:0;padding:12px;border:2px solid var(--accent);border-radius:var(--radius-sm);resize:none;overflow:hidden;font-family:var(--font);color:var(--text);outline:none;z-index:2}.canvas-zoom{position:absolute;right:16px;bottom:16px;display:flex;align-items:center;gap:2px;padding:4px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow-panel);z-index:3}.canvas-zoom button{min-width:34px;height:30px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text);font-size:15px;font-weight:600}.canvas-zoom button:hover{background:var(--surface-alt)}.canvas-zoom__value{font-size:12px!important;color:var(--text-muted)!important;padding:0 6px}.toolbar{position:absolute;top:16px;left:16px;display:grid;grid-template-columns:repeat(2,1fr);gap:2px;max-height:calc(100% - 32px);overflow-y:auto;padding:6px;width:140px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-panel);z-index:3}.toolbar__button{display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 2px;border:0;border-radius:var(--radius-md);background:transparent;color:var(--text-muted);transition:background .12s ease,color .12s ease}.toolbar__row{grid-column:1 / -1;display:flex;justify-content:center;gap:4px}.toolbar__button--compact{width:100%}.toolbar__button:hover:not(:disabled){background:var(--surface-alt);color:var(--text)}.toolbar__button.is-active{background:var(--accent-soft);color:var(--accent)}.toolbar__button:disabled{opacity:.4;cursor:not-allowed}.toolbar__label{font-size:10px;font-weight:500;line-height:1.1}.toolbar__divider{grid-column:1 / -1;height:1px;margin:4px 2px;background:var(--border)}.style-panel{position:absolute;left:50%;bottom:16px;transform:translate(-50%);display:flex;align-items:stretch;gap:0;max-width:calc(100% - 240px);overflow-x:auto;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-panel);z-index:4}.style-panel__group{display:flex;flex-direction:column;gap:5px;padding:0 10px}.style-panel__group+.style-panel__group{border-left:1px solid var(--border)}.style-panel__label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.style-panel__swatches{display:flex;gap:4px}.style-panel__segmented{display:flex;gap:2px}.style-panel__segmented button{min-width:26px;height:22px;padding:0 6px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font-size:11px}.style-panel__segmented button:hover{background:var(--surface-alt)}.style-panel__group--actions{flex-direction:row;align-items:center;gap:4px}.style-panel__group--actions button{height:26px;padding:0 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font-size:12px;white-space:nowrap}.style-panel__group--actions button:hover{background:var(--surface-alt)}.style-panel__danger{color:var(--danger)!important}.swatch{width:18px;height:18px;padding:0;border:1px solid var(--border-strong);border-radius:4px;background:#fff}.swatch:hover{outline:2px solid var(--accent-soft)}.swatch[data-transparent=true]{background-image:linear-gradient(45deg,#ddd 25%,transparent 25%),linear-gradient(-45deg,#ddd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ddd 75%),linear-gradient(-45deg,transparent 75%,#ddd 75%);background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0}.btn--ghost{padding:6px 12px;font-size:13px}