.base64-hero{display:flex;flex-direction:column;align-items:center;gap:0}.base64-hero-icon{width:78px;height:78px;margin:0 auto 18px;border-radius:24px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f59e0b,#ea580c);color:#fff;font-size:2rem;box-shadow:0 18px 34px rgba(234,88,12,.24)}.base64-hero-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:26px}.base64-pill{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 16px;border-radius:999px;background:rgba(255,255,255,.92);border:1px solid rgba(190,201,240,.55);color:#55608f;font-size:.92rem;font-weight:700;box-shadow:0 8px 20px rgba(113,124,171,.08)}.base64-layout{display:grid;grid-template-columns:1fr;gap:24px}.base64-card{padding:22px}.base64-topbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}.base64-mode-switch{display:inline-flex;gap:8px;padding:6px;border-radius:999px;background:rgba(124,58,237,.08);border:1px solid rgba(124,58,237,.16)}.mode-btn{border:none;background:transparent;color:var(--text,#1f2937);font:inherit;font-weight:700;padding:10px 16px;border-radius:999px;cursor:pointer;transition:.18s ease}.mode-btn.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 8px 22px rgba(124,58,237,.22)}.base64-options-inline{display:flex;gap:12px;flex-wrap:wrap}.base64-check{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#556070}.base64-check input{accent-color:var(--primary)}.base64-helper-box{border:1px solid rgba(124,58,237,.14);background:linear-gradient(180deg,rgba(124,58,237,.05),rgba(124,58,237,.02));border-radius:18px;padding:14px 16px;margin-bottom:18px}.base64-helper-box strong{display:block;margin-bottom:6px;font-size:15px}.base64-helper-box p{margin:0;color:#5f6b7a;line-height:1.55}.helper-chip{display:inline-flex;align-items:center;padding:3px 8px;border-radius:999px;background:rgba(124,58,237,.12);color:var(--primary);font-weight:700;font-size:12px}.base64-grid{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:18px;align-items:stretch}.base64-panel{display:flex;flex-direction:column;min-width:0;border:1px solid rgba(210,220,244,.85);background:linear-gradient(180deg,#fff 0%,#f7f9ff 100%);border-radius:24px;padding:18px;box-shadow:0 14px 38px rgba(15,23,42,.06)}.panel-head{min-height:74px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}.panel-head h2{margin:0 0 6px;font-family:'Syne',sans-serif;font-size:18px;color:#101828}.panel-head p{margin:0;color:#667285;font-size:14px;line-height:1.45}.panel-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.base64-mini-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:9px 12px;border-radius:14px;border:1.5px solid rgba(190,201,240,.65);background:#fff;color:#55608f;box-shadow:0 8px 18px rgba(113,124,171,.07);font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap}.base64-textarea{min-height:280px;font-family:'DM Mono',monospace,'Courier New';font-size:13px;line-height:1.55;resize:vertical;width:100%;border:1.5px solid rgba(190,201,240,.6);border-radius:22px;background:linear-gradient(180deg,#fff 0%,#f9fbff 100%);padding:22px 20px;color:var(--text);outline:none}.output-area{color:var(--primary)}.base64-center-actions{display:flex;flex-direction:column;justify-content:center;gap:10px}.base64-main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:14px;font-family:'DM Sans',Arial,sans-serif;font-size:.95rem;font-weight:700;cursor:pointer}.base64-main-btn-primary{border:none;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 12px 24px rgba(87,111,223,.24)}.base64-main-btn-secondary{border:1.5px solid rgba(190,201,240,.65);background:#fff;color:#55608f;box-shadow:0 8px 18px rgba(113,124,171,.07)}.run-btn,.swap-btn{min-width:124px}.base64-stats{margin-top:10px;font-size:13px;color:#6b7280}.base64-feedback{min-height:24px;margin-top:14px;font-size:14px;color:#5b6472}.base64-feedback.ok{color:#0f8a4b}.base64-feedback.error{color:#c2410c}.base64-related-head{margin-bottom:18px}.base64-eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#7b84b2;margin-bottom:8px}.base64-related-head h2{margin:0;font-family:'Syne',Arial,sans-serif;font-size:clamp(1.15rem,1.05rem + .35vw,1.45rem);color:#2d2f63}.base64-related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.base64-related-card{padding:18px 16px;display:flex;align-items:center;gap:14px;background:linear-gradient(180deg,#fff 0%,#f7f9ff 100%);border:1px solid rgba(210,220,244,.85);border-radius:20px;box-shadow:0 10px 24px rgba(113,124,171,.07)}.base64-related-icon{width:44px;height:44px;flex:0 0 44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef3ff 0%,#dfe8ff 100%);font-size:1.15rem}.base64-related-name{font-weight:800;color:#2d2f63;line-height:1.25}.base64-footer{width:calc(100% - 24px);margin:0 12px 32px;padding:26px 28px;border-radius:30px;background:rgba(255,255,255,.88);border:1px solid rgba(210,220,244,.75);box-shadow:0 12px 28px rgba(113,124,171,.08);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#6d7395}.base64-footer p{margin:0;font-weight:700}.base64-footer-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.base64-footer-links a:hover{color:var(--primary)}@media (max-width:920px){.base64-grid,.base64-related-grid{grid-template-columns:1fr}.base64-center-actions{flex-direction:row;justify-content:flex-start}}@media (max-width:640px){.base64-card{padding:16px}.panel-head{min-height:0;flex-direction:column}.panel-actions{justify-content:flex-start}.base64-textarea{min-height:220px}}