.hz-converter-container{--bg-primary:#f5f5f0;--bg-secondary:#fff;--bg-section:#fff;--border-color:#333;--text-primary:#222;--text-secondary:#555;--text-light:#666;--text-placeholder:#999;--color-accent:#3498db;--color-success:#27ae60;--color-warning:#f39c12;--color-danger:#e74c3c;--color-purple:#9b59b6;--shadow-sm:2px 2px 0 rgba(0,0,0,0.1);--shadow-md:4px 4px 0 rgba(0,0,0,0.15);--shadow-lg:8px 8px 0 rgba(0,0,0,0.15);--radius-container:8px;--radius-section:6px;--radius-button:4px;--radius-input:4px;--input-focus-bg:#fffacd;--title-color:#2c3e50;--copy-btn-bg:#fff;--copy-btn-hover-bg:#f0f0f0}.hz-converter-container.dark{--bg-primary:#1a1a1a;--bg-secondary:#2d2d2d;--bg-section:#2d2d2d;--border-color:#e0e0e0;--text-primary:#ffffff;--text-secondary:#d0d0d0;--text-light:#a0a0a0;--text-placeholder:#888;--color-accent:#5dade2;--color-success:#52c77a;--color-warning:#f5b041;--color-danger:#ec7063;--color-purple:#af7ac5;--shadow-sm:2px 2px 0 rgba(255,255,255,0.08);--shadow-md:4px 4px 0 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.watermark{position:absolute;bottom:10px;right:10px;font-size:13px;font-weight:500;color:var(--text-light);opacity:.6;pointer-events:none;display:none}.hz-converter-container.capturing .watermark{display:block}.hz-converter-container .toast{position:fixed;bottom:20px;right:20px;padding:10px 16px;background:var(--text-primary);color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-button);font-size:16px;font-weight:500;box-shadow:4px 4px 0 rgba(0,0,0,.3);z-index:1000;opacity:0;visibility:hidden;transition:all 0.3s}.hz-converter-container .toast.show{opacity:1;visibility:visible;transform:translateY(-5px)}.hz-converter-container .toast.success{background:var(--color-success);color:#fff}.hz-converter-container .toast.error{background:var(--color-danger);color:#fff}@media (max-width:768px){.hz-converter-container{margin:6px 5px;padding:7px;width:calc(100% - 10px)}.hz-converter-container .main-grid{grid-template-columns:1fr;gap:6px}.hz-converter-container .main-title{font-size:24px}}