.b64-tool{display:flex;flex-direction:column;gap:1rem}.b64-toggles-row{display:flex;gap:1.5rem;flex-wrap:wrap}.b64-editor-card{border:1px solid #e2e8f0;border-radius:16px;box-shadow:var(--shadow-card);overflow:hidden}.b64-editor-header{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-sans);font-size:14px;font-weight:600;color:var(--text-muted);padding:10px 16px;letter-spacing:.5px}.b64-counter{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);font-weight:400}.b64-file-badge{font-family:var(--font-sans);font-size:12px;font-weight:500;padding:4px 12px;margin:0 16px 4px;border-radius:20px;background:#3b82f61a;color:#2563eb;display:inline-block;max-width:calc(100% - 32px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.b64-editor-body{display:flex;position:relative}.b64-textarea{flex:1;min-height:180px;padding:1rem;font-family:var(--font-mono);font-size:14px;line-height:1.5;border:none;outline:none;resize:vertical;background:#fff;color:#0f172a;box-sizing:border-box;white-space:pre;overflow-x:auto;width:100%}.b64-textarea::placeholder{color:#94a3b8}.b64-textarea.wrap-on{white-space:pre-wrap;word-break:break-all;overflow-x:hidden}.b64-actions{display:flex;gap:.5rem;flex-wrap:wrap}.b64-file-label{cursor:pointer}.b64-wrap-section{display:flex;align-items:center;gap:.75rem}.b64-wrap-label{font-family:var(--font-sans);font-size:13px;font-weight:600;color:#64748b}.b64-wrap-bar,.b64-urlsafe-bar{display:flex;background:#f1f5f9;border-radius:8px;padding:3px;gap:2px}.b64-wrap-opt{font-family:var(--font-mono);font-size:13px;font-weight:500;padding:4px 14px;border:none;border-radius:6px;background:transparent;color:#64748b;cursor:pointer;transition:all .15s ease}.b64-wrap-opt:hover{color:#334155}.b64-wrap-opt.active{background:#fff;color:var(--color-primary);box-shadow:0 1px 3px #00000014;font-weight:600}.b64-validation{font-family:var(--font-sans);font-size:.8rem;font-weight:700;padding:.75rem 1rem;border:1px solid #e2e8f0;border-radius:8px;letter-spacing:.5px}.b64-validation.valid{background:#dcfce7;color:#166534}.b64-validation.invalid{background:#fef2f2;color:#991b1b}.b64-stats{font-family:var(--font-mono);font-size:12px;font-weight:500;padding:8px 14px;border-radius:8px;background:#10b98114;color:#16a34a;letter-spacing:.3px}.b64-output-actions{padding:.75rem 1rem;display:flex;gap:.5rem;border-top:1px solid #e2e8f0}.b64-image-preview{padding:1rem;border-top:1px solid #e2e8f0;text-align:center;background:#f8fafc}.b64-image-preview img{max-width:100%;max-height:400px;border-radius:8px;box-shadow:0 2px 8px #00000014}html[data-theme=dark] .b64-editor-card{border-color:#3f3f46;box-shadow:var(--shadow-card)}html[data-theme=dark] .b64-editor-header,html[data-theme=dark] .b64-counter{color:#71717a}html[data-theme=dark] .b64-file-badge{background:#3b82f626;color:#60a5fa}html[data-theme=dark] .b64-textarea{background:#1a1a1a;color:#d4d4d8}html[data-theme=dark] .b64-textarea::placeholder{color:#52525b}html[data-theme=dark] .b64-wrap-label{color:#a1a1aa}html[data-theme=dark] .b64-wrap-bar,html[data-theme=dark] .b64-urlsafe-bar{background:#27272a}html[data-theme=dark] .b64-wrap-opt{color:#a1a1aa}html[data-theme=dark] .b64-wrap-opt:hover{color:#d4d4d8}html[data-theme=dark] .b64-wrap-opt.active{background:#3f3f46;color:var(--color-primary-300)}html[data-theme=dark] .b64-validation{border-color:#3f3f46}html[data-theme=dark] .b64-validation.valid{background:#052e16;color:#86efac}html[data-theme=dark] .b64-validation.invalid{background:#450a0a;color:#fca5a5}html[data-theme=dark] .b64-stats{background:#10b9811f;color:#4ade80}html[data-theme=dark] .b64-output-actions{border-top-color:#3f3f46}html[data-theme=dark] .b64-image-preview{background:#1a1a1a;border-top-color:#3f3f46}@media(max-width:768px){.b64-actions{gap:.5rem}.b64-actions .tool-btn{font-size:13px;padding:7px 12px}.b64-textarea{min-height:140px;font-size:13px}.b64-wrap-opt{padding:5px 12px;font-size:12px}.b64-toggles-row{gap:1rem}}@media(max-width:639px){.b64-toggles-row{flex-direction:column;gap:.75rem}.b64-wrap-section{width:100%}}@media(max-width:480px){.b64-actions{gap:.375rem}.b64-actions .tool-btn{font-size:12px;padding:6px 10px}.b64-textarea{min-height:120px;font-size:12px}.b64-wrap-opt{padding:4px 8px;font-size:11px}}@media(max-width:380px){.b64-editor-header{flex-direction:column;gap:4px}.b64-actions .tool-btn{font-size:11px;padding:5px 8px}.b64-textarea{min-height:100px;font-size:11px}}@media(max-width:639px){.b64-wrap-opt{min-height:40px;padding:8px 12px}}