.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: rgba(255, 140, 0, .12);--t-pulse-far: rgba(255, 140, 0, .28);--t-pulse-glow: rgba(255, 140, 0, .08)}.support-card[data-theme=grind]{--t-accent: #00ff88;--t-accent-dim: rgba(0, 255, 136, .1);--t-accent-bright: #66ffb2;--t-border: rgba(0, 255, 136, .15);--t-border-bright: rgba(0, 255, 136, .4);--t-pulse-near: rgba(0, 255, 136, .1);--t-pulse-far: rgba(0, 255, 136, .25);--t-pulse-glow: rgba(0, 255, 136, .06)}.support-card[data-theme=arcade]{--t-accent: #e040fb;--t-accent-dim: rgba(224, 64, 251, .1);--t-accent-bright: #ea80fc;--t-border: rgba(224, 64, 251, .15);--t-border-bright: rgba(224, 64, 251, .4);--t-pulse-near: rgba(224, 64, 251, .1);--t-pulse-far: rgba(224, 64, 251, .25);--t-pulse-glow: rgba(224, 64, 251, .06)}@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{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;opacity:.28;z-index:0}.support-bg svg{width:100%;height:100%;animation:yantra-spin 90s linear infinite;transform-origin:center center}.support-wrap{position:relative;z-index:1;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}.support-card{background:#11142040;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);border-radius:12px;padding:2.5rem;width:100%;max-width:480px;animation:diya-pulse 4s ease-in-out infinite}.support-icon{font-size:3rem;display:block;margin-bottom:.5rem;line-height:1}.support-title{font-family:var(--font-sans);font-size:2.6rem;font-weight:700;color:var(--t-accent);margin:0 0 .25rem;transition:color .3s}.support-sub{font-family:var(--font-body);font-style:italic;color:var(--text-secondary);margin:0 0 1rem;font-size:1.2rem}.support-copy{font-size:1rem;color:var(--text-secondary);margin:0 0 1.75rem;line-height:1.65}.tier-row{display:flex;gap:.75rem;margin-bottom:1rem}.tier-btn{flex:1;padding:.65rem 0;border:1px solid var(--t-border);border-radius:6px;background:transparent;color:var(--t-accent);font-family:var(--font-sans);font-size:1.05rem;cursor:pointer;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{width:100%;padding:.65rem .9rem;border:1px solid var(--border);border-radius:6px;background:transparent;color:var(--text-primary);font-family:var(--font-sans);font-size:1.05rem;margin-bottom:1.75rem;box-sizing:border-box;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,.custom-input::-webkit-inner-spin-button{-webkit-appearance:none}.custom-input[type=number]{-moz-appearance:textfield}.qr-block{display:none;flex-direction:column;align-items:center;gap:.75rem;margin-bottom:1.5rem}@media(pointer:fine){.qr-block{display:flex}.upi-deep-link{display:none}}.qr-block img{width:200px;height:200px;border:1px solid var(--border);border-radius:8px}.qr-label{font-size:.8rem;color:var(--text-muted)}.upi-deep-link{display:none;width:100%;padding:.75rem;background:var(--t-accent);color:#0d0f1a;border:none;border-radius:8px;font-family:var(--font-sans);font-size:1.1rem;font-weight:600;text-align:center;text-decoration:none;margin-bottom:1.25rem;transition:opacity .2s;cursor:pointer}@media(pointer:coarse){.upi-deep-link{display:block}}.upi-deep-link[aria-disabled=true]{opacity:.4;pointer-events:none}.upi-id{font-size:.85rem;color:var(--t-accent);text-align:center;font-family:var(--font-mono);margin:0;padding:.45rem .9rem;border:1px solid var(--t-border);border-radius:6px;background:var(--t-accent-dim);transition:color .3s,border-color .3s,background .3s;letter-spacing:.02em}.support-wrap{flex-direction:column;gap:0}.theme-toggle{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);display:flex;flex-direction:row;gap:.5rem;background:#07080d8c;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.07);border-radius:99px;padding:.3rem;z-index:10}.theme-pill{padding:.3rem .9rem;border:1px solid var(--border);border-radius:99px;background:transparent;color:var(--text-muted);font-family:var(--font-sans);font-size:.8rem;cursor:pointer;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]{border-color:#0f8;color:#0f8;background:#00ff8814}.theme-pill.active[data-theme=arcade]{border-color:#e040fb;color:#e040fb;background:#e040fb14}