:root{--bg: #F3F6FA;--surface: #FFFFFF;--surface-2: #F7F9FC;--border: #DCE4EE;--text: #0B1220;--text-muted: #5B6B80;--text-subtle: #7A8AA0;--primary: #0A3D62;--primary-hover: #083352;--primary-soft: #E8F1FA;--accent: #F59F0A;--accent-hover: #E08E00;--accent-soft: #FFF1D0;--focus: rgba(10, 61, 98, .28);--shadow-sm: 0 1px 2px rgba(11, 18, 32, .06);--shadow-md: 0 8px 24px rgba(11, 18, 32, .1)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5}a{color:var(--primary)}a:hover{color:var(--primary-hover)}.app-container{max-width:1440px;margin:0 auto;padding:24px}.h1{margin:0;font-size:clamp(1.4rem,1.2rem + 1vw,1.9rem);line-height:1.2}.page-header{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-sm);padding:24px;display:grid;gap:14px;margin-bottom:18px}.header-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.sub-row{width:100%}.auth-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.alert-note{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:10px 12px;color:var(--text-muted);margin:0}.grid-3{display:grid;grid-template-columns:1fr 1fr 1.35fr;gap:18px;align-items:start}.section{display:grid;gap:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-sm);padding:24px;transition:box-shadow .2s ease,border-color .2s ease}.card:hover{box-shadow:var(--shadow-md);border-color:#0a3d6238}.card-title{margin:0 0 12px;font-size:1.18rem;font-weight:700}.card-subtitle{margin:-6px 0 12px;font-size:.9rem;color:var(--text-muted)}.card-accent-left{border-left:4px solid var(--primary);padding-left:20px}.preview-sticky{position:sticky;top:16px;align-self:start}.preview-frame{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;justify-content:center}.preview-canvas{width:100%;max-width:520px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px;overflow:auto}.form-grid{display:grid;gap:12px}label{display:grid;gap:6px;font-size:.86rem;color:var(--text-muted)}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:10px 12px;color:var(--text)}input,select{height:40px}textarea{min-height:120px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--focus);outline:none}input[type=color]{padding:4px;min-height:40px;width:44px;border-radius:10px}input[type=checkbox]{width:16px;height:16px}.btn{height:40px;padding:0 14px;border-radius:12px;border:1px solid transparent;font-weight:600;cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--primary-soft);color:var(--primary);border-color:var(--border)}.btn-secondary:hover{background:#ddecf8}.btn-danger{background:transparent;color:#d64545;border-color:var(--border)}.btn-danger:hover{background:#fdeded}.button-row{display:flex;flex-wrap:wrap;gap:8px}.checkbox-row{display:flex;align-items:center;gap:8px}.color-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.color-field{display:grid;gap:6px}.color-field label{font-size:.86rem;color:var(--text-muted)}.color-input-row{display:grid;grid-template-columns:44px 1fr;gap:8px;align-items:center}.color-input-row input[type=color]{padding:2px}.table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--border);border-radius:14px}.table th{background:var(--surface-2);text-align:left;font-size:.82rem;color:var(--text-muted);padding:10px 12px}.table td{padding:10px 12px;border-top:1px solid var(--border);vertical-align:top}.table tr:hover td{background:var(--primary-soft)}.truncate{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}.muted{color:var(--text-subtle);font-size:.86rem}.chip{background:var(--primary-soft);color:var(--primary);border-radius:999px;padding:6px 10px;font-size:.78rem}@media(max-width:1024px){.grid-3{grid-template-columns:1fr}.preview-sticky{position:static}}@media(max-width:768px){.app-container,.page-header,.card{padding:16px}.color-grid{grid-template-columns:1fr}}