:root{--bg:#f7f8fb;--panel:#fff;--panel-soft:#f0f4f3;--text:#18211f;--muted:#64716d;--border:#dce3e0;--primary:#0f766e;--primary-strong:#115e59;--danger:#b42318;--focus:#2563eb;--shadow:0 18px 45px #12211f14;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled,input:disabled,select:disabled{cursor:not-allowed;opacity:.58}.loading,.login-shell{place-items:center;min-height:100svh;padding:24px;display:grid}.login-shell{background:linear-gradient(120deg, #0f766e1f, transparent 44%), linear-gradient(300deg, #2563eb1f, transparent 40%), var(--bg)}.login-panel{background:var(--panel);border:1px solid var(--border);width:min(420px,100%);box-shadow:var(--shadow);border-radius:8px;gap:18px;padding:32px;display:grid}.eyebrow{color:var(--primary);text-transform:uppercase;margin:0 0 6px;font-size:13px;font-weight:700}h1,h2,p{margin:0}h1{font-size:30px;line-height:1.18}h2{font-size:18px}label{color:var(--muted);gap:8px;font-size:14px;font-weight:650;display:grid}input,select,textarea{border:1px solid var(--border);width:100%;color:var(--text);background:#fff;border-radius:6px;padding:10px 12px}textarea{resize:vertical}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.error{color:var(--danger);background:#fff1f0;border:1px solid #ffd1cc;border-radius:6px;padding:10px 12px}.app-shell{grid-template-columns:260px minmax(0,1fr);min-height:100svh;display:grid}.sidebar{color:#eef7f5;background:#173532;grid-template-rows:auto 1fr auto;gap:28px;min-height:100svh;padding:24px 18px;display:grid}.brand{align-items:center;gap:12px;display:flex}.brand strong,.brand span,.sidebar-footer span{display:block}.brand span,.sidebar-footer span{color:#b9cbc6;font-size:13px}nav{align-content:start;gap:8px;display:grid}nav button,.icon-button{border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:9px 12px;font-weight:700;display:inline-flex}nav button{color:#d9e8e4;background:0 0;justify-content:flex-start}nav button.active,nav button:hover{color:#fff;background:#ffffff1f}.sidebar-footer{gap:10px;display:grid}.sidebar-footer 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var(--border);color:var(--text);text-align:left;background:#fff;border-radius:6px;align-items:center;gap:8px;padding:8px 10px;font-weight:700;display:flex}.directory-list button.active{color:var(--primary);background:#e8f4f2;border-color:#0f766e6b}.upload-drop{text-align:center;background:var(--panel-soft);border:1px dashed #9ab3ad;border-radius:8px;place-items:center;min-height:156px}.upload-drop input{display:none}.upload-drop.disabled{opacity:.55}.button-stack,.library-panel,.image-editor{gap:12px;display:grid}.watermark-inputs{grid-template-columns:76px minmax(0,1fr) 92px;gap:8px;display:grid}.watermark-inputs input{min-width:0}.preset-save-row,.color-setting,.font-setting,.settings-pair{gap:8px;display:grid}.preset-save-row{grid-template-columns:minmax(0,1fr) auto}.preset-save-row .icon-button{white-space:nowrap}.preset-panel{border:1px solid var(--border);background:#fbfcfc;border-radius:8px;gap:10px;padding:12px;display:grid}.preset-panel-header{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;display:grid}.preset-panel-header span,.preset-panel-header small{text-overflow:ellipsis;white-space:nowrap;min-width:0;display:block;overflow:hidden}.preset-panel-header span{color:var(--text);font-weight:800}.preset-panel-header small{color:var(--muted);margin-top:2px;font-size:12px}.preset-actions{gap:8px;display:flex}.preset-actions .icon-button{white-space:nowrap;min-height:34px;padding:7px 9px}.preset-card-list{gap:8px;display:grid}.preset-card{border:1px solid var(--border);width:100%;min-width:0;color:var(--text);text-align:left;background:#fff;border-radius:8px;gap:5px;padding:10px;display:grid}.preset-card:hover,.preset-card.active{background:#eaf5f3;border-color:#0f766e75}.preset-card-title,.preset-card-meta{text-overflow:ellipsis;white-space:nowrap;min-width:0;display:block;overflow:hidden}.preset-card-title{font-weight:800}.preset-card-meta{color:var(--muted);align-items:center;gap:8px;font-size:12px;font-weight:700;display:flex}.preset-card-meta span{flex:none}.preset-color-dot{border:1px solid #18211f2e;border-radius:999px;width:14px;height:14px;box-shadow:inset 0 0 0 1px #ffffff80}.preset-empty{border:1px dashed var(--border);color:var(--muted);background:#fff;border-radius:8px;margin:0;padding:10px;font-size:13px}.watermark-settings{border:1px solid var(--border);background:#fbfcfc;border-radius:8px;gap:12px;padding:12px;display:grid}.settings-title{color:var(--text);justify-content:space-between;align-items:center;gap:8px;font-weight:800;display:flex}.settings-title-main,.settings-toggle,.settings-summary{align-items:center;gap:8px;display:flex}.settings-title-main{min-width:0}.settings-title-main span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.settings-toggle{border:1px solid var(--border);min-height:32px;color:var(--text);background:#fff;border-radius:6px;flex:none;padding:6px 9px;font-size:13px;font-weight:800}.settings-toggle:hover{color:var(--primary);background:#eef8f6;border-color:#0f766e6b}.settings-body{gap:12px;display:grid}.settings-summary{border:1px solid var(--border);min-width:0;color:var(--muted);background:#fff;border-radius:8px;padding:10px;font-size:13px;font-weight:700}.settings-summary span:last-child{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.watermark-settings 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(width<=900px){.app-shell,.content-grid,.admin-grid{grid-template-columns:1fr}.sidebar{min-height:auto}.workspace{padding:20px}.topbar,.inline-form,.settings-pair{flex-direction:column;grid-template-columns:1fr;align-items:stretch}}