.support-card{--t-accent:var(--fire);--t-accent-dim:var(--fire-dim);--t-accent-bright:var(--fire-bright);--t-border:var(--border);--t-border-bright:var(--border-bright);--t-pulse-near:#ff8c001f;--t-pulse-far:#ff8c0047;--t-pulse-glow:#ff8c0014}.support-card[data-theme=grind]{--t-accent:#0f8;--t-accent-dim:#00ff881a;--t-accent-bright:#66ffb2;--t-border:#00ff8826;--t-border-bright:#0f86;--t-pulse-near:#00ff881a;--t-pulse-far:#00ff8840;--t-pulse-glow:#00ff880f}.support-card[data-theme=arcade]{--t-accent:#e040fb;--t-accent-dim:#e040fb1a;--t-accent-bright:#ea80fc;--t-border:#e040fb26;--t-border-bright:#e040fb66;--t-pulse-near:#e040fb1a;--t-pulse-far:#e040fb40;--t-pulse-glow:#e040fb0f}@keyframes diya-pulse{0%{box-shadow:0 0 24px var(--t-pulse-near)}50%{box-shadow:0 0 48px var(--t-pulse-far), 0 0 80px var(--t-pulse-glow)}to{box-shadow:0 0 24px var(--t-pulse-near)}}@keyframes yantra-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.support-bg{pointer-events:none;opacity:.28;z-index:0;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.support-bg svg{transform-origin:50%;width:100%;height:100%;animation:90s linear infinite yantra-spin}.support-wrap{z-index:1;justify-content:center;align-items:center;min-height:100dvh;padding:2rem 1rem;display:flex;position:relative}.support-card{-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);background:#11142040;border-radius:12px;width:100%;max-width:480px;padding:2.5rem;animation:4s ease-in-out infinite diya-pulse}.support-icon{margin-bottom:.5rem;font-size:3rem;line-height:1;display:block}.support-title{font-family:var(--font-sans);color:var(--t-accent);margin:0 0 .25rem;font-size:2.6rem;font-weight:700;transition:color .3s}.support-sub{font-family:var(--font-body);color:var(--text-secondary);margin:0 0 1rem;font-size:1.2rem;font-style:italic}.support-copy{color:var(--text-secondary);margin:0 0 1.75rem;font-size:1rem;line-height:1.65}.tier-row{gap:.75rem;margin-bottom:1rem;display:flex}.tier-btn{border:1px solid var(--t-border);color:var(--t-accent);font-family:var(--font-sans);cursor:pointer;background:0 0;border-radius:6px;flex:1;padding:.65rem 0;font-size:1.05rem;transition:background .2s,border-color .2s,color .3s}.tier-btn:hover,.tier-btn.active{background:var(--t-accent-dim);border-color:var(--t-border-bright)}.custom-input{border:1px solid var(--border);width:100%;color:var(--text-primary);font-family:var(--font-sans);box-sizing:border-box;background:0 0;border-radius:6px;margin-bottom:1.75rem;padding:.65rem .9rem;font-size:1.05rem;transition:border-color .2s}.custom-input:focus{border-color:var(--t-border-bright);outline:none}.custom-input::placeholder{color:var(--text-muted)}.custom-input::-webkit-outer-spin-button{-webkit-appearance:none}.custom-input::-webkit-inner-spin-button{-webkit-appearance:none}.custom-input[type=number]{-moz-appearance:textfield}.qr-block{flex-direction:column;align-items:center;gap:.75rem;margin-bottom:1.5rem;display:none}@media (pointer:fine){.qr-block{display:flex}.upi-deep-link{display:none}}.qr-block img{border:1px solid var(--border);border-radius:8px;width:200px;height:200px}.qr-label{color:var(--text-muted);font-size:.8rem}.upi-deep-link{background:var(--t-accent);color:#0d0f1a;width:100%;font-family:var(--font-sans);text-align:center;cursor:pointer;border:none;border-radius:8px;margin-bottom:1.25rem;padding:.75rem;font-size:1.1rem;font-weight:600;text-decoration:none;transition:opacity .2s;display:none}@media (pointer:coarse){.upi-deep-link{display:block}}.upi-deep-link[aria-disabled=true]{opacity:.4;pointer-events:none}.upi-id{color:var(--t-accent);text-align:center;font-size:.85rem;font-family:var(--font-mono);border:1px solid var(--t-border);background:var(--t-accent-dim);letter-spacing:.02em;border-radius:6px;margin:0;padding:.45rem .9rem;transition:color .3s,border-color .3s,background .3s}.support-wrap{flex-direction:column;gap:0}.theme-toggle{-webkit-backdrop-filter:blur(10px);z-index:10;background:#07080d8c;border:1px solid #ffffff12;border-radius:99px;flex-direction:row;gap:.5rem;padding:.3rem;display:flex;position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%)}.theme-pill{border:1px solid var(--border);color:var(--text-muted);font-family:var(--font-sans);cursor:pointer;background:0 0;border-radius:99px;padding:.3rem .9rem;font-size:.8rem;transition:border-color .2s,color .2s,background .2s}.theme-pill:hover{color:var(--text-primary);border-color:#fff3}.theme-pill.active[data-theme=main]{border-color:var(--fire);color:var(--fire);background:var(--fire-dim)}.theme-pill.active[data-theme=grind]{color:#0f8;background:#00ff8814;border-color:#0f8}.theme-pill.active[data-theme=arcade]{color:#e040fb;background:#e040fb14;border-color:#e040fb}