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h3{font-size:14px}.knowledge-icon{width:36px;height:36px;font-size:20px}footer{padding:20px 0 32px}.footer-links{gap:12px}.footer-links a{font-size:10px}}@media (max-width:360px){.container{padding:0 8px}.karat-grid{grid-template-columns:1fr}.hero-subprices{grid-template-columns:1fr;gap:10px}.sub-price-item{display:flex;justify-content:space-between;align-items:center;text-align:left}.compound-input{font-size:24px !important}.tab-btn{padding:8px 6px;font-size:11px}.imode-btn{font-size:11px}}.fade-in{animation:fadeIn 0.5s ease forwards;opacity:0}@keyframes fadeIn{to{opacity:1}}.fade-in:nth-child(1){animation-delay:0.1s}.fade-in:nth-child(2){animation-delay:0.2s}.fade-in:nth-child(3){animation-delay:0.3s}.fade-in:nth-child(4){animation-delay:0.4s}[data-theme="light"]{--bg-dark:#FAF8F3;--bg-card:#FFFFFF;--bg-surface:#F2EDE4;--text-primary:#1C1710;--text-secondary:#7A5F2C;--text-muted:#756244;--gold-deep:#6B4B0A;--gold-bright:#9E7209;--gold-light:#7A5F14;--gold-pale:#FFF8E7;--gold-shimmer:#C8960A;--silver-deep:#4A5668;--silver-bright:#6B7A8E;--silver-light:#8895A5;--silver-shimmer:#A0AEBC;--green:#1B7A42;--red:#C62828;--border:rgba(139,94,26,0.10);--border-bright:rgba(139,94,26,0.22);--glass-bg:rgba(255,255,255,0.92);--glass-border:rgba(139,94,26,0.12);--shadow-gold:0 4px 24px rgba(139,94,26,0.08)}[data-theme="light"] body::before{opacity:0.03}[data-theme="light"] body::after{background:radial-gradient(ellipse,rgba(212,152,10,0.03) 0%,transparent 70%)}[data-theme="light"] .glass{box-shadow:0 1px 3px rgba(0,0,0,0.05),0 4px 16px rgba(0,0,0,0.03)}[data-theme="light"] .logo-wordmark{background:linear-gradient(135deg,#C8960A 0%,#8B5E1A 50%,#5C3D0E 100%);-webkit-background-clip:text;background-clip:text}[data-theme="light"] .logo-hex-mark{filter:drop-shadow(0 0 6px rgba(139,94,26,0.20))}[data-theme="light"] .hero-price-amount{color:#8B6914}[data-theme="light"] .hero-price-card::before{color:rgba(139,94,26,0.06)}[data-theme="light"] .hero-price-card:hover{box-shadow:0 4px 20px rgba(139,94,26,0.12)}[data-theme="light"] .karat-card.featured{background:linear-gradient(135deg,rgba(255,248,231,0.9),rgba(253,243,208,0.6));border-color:rgba(139,94,26,0.22)}[data-theme="light"] .karat-card.featured::after{background:linear-gradient(45deg,transparent,rgba(212,152,10,0.06),transparent)}[data-theme="light"] .karat-card:hover{box-shadow:0 6px 20px rgba(0,0,0,0.06)}[data-theme="light"] .karat-purity{background:rgba(0,0,0,0.04)}[data-theme="light"] .price-change-badge.up{background:rgba(27,122,66,0.06);border-color:rgba(27,122,66,0.18)}[data-theme="light"] .price-change-badge.down{background:rgba(198,40,40,0.06);border-color:rgba(198,40,40,0.18)}[data-theme="light"] .live-badge{background:rgba(27,122,66,0.05);border-color:rgba(27,122,66,0.12)}[data-theme="light"] .tab-btn:hover:not(.active){background:rgba(139,94,26,0.06)}[data-theme="light"] .input-field,[data-theme="light"] .select-field{background:rgba(0,0,0,0.02);border-color:rgba(139,94,26,0.15)}[data-theme="light"] .input-field:focus,[data-theme="light"] .select-field:focus{background:rgba(212,152,10,0.03);box-shadow:0 0 0 3px rgba(158,114,9,0.06)}[data-theme="light"] select option{background:#FFFFFF;color:#1C1710}[data-theme="light"] .mode-toggle,[data-theme="light"] .input-mode-bar{background:rgba(0,0,0,0.02);border-color:rgba(139,94,26,0.08)}[data-theme="light"] .compound-input{background:rgba(0,0,0,0.02) !important;border-color:rgba(139,94,26,0.15) !important;color:#7A5F14 !important}[data-theme="light"] .compound-input:focus{background:rgba(212,152,10,0.03) !important;border-color:var(--gold-bright) !important;box-shadow:0 0 0 3px rgba(158,114,9,0.06) !important}[data-theme="light"] .compound-equiv{background:rgba(212,152,10,0.03)}[data-theme="light"] .making-charge-row{background:rgba(0,0,0,0.015);border-color:rgba(139,94,26,0.08)}[data-theme="light"] .calc-result{background:linear-gradient(135deg,#F0FAF4,#E8F5ED);border-color:rgba(27,122,66,0.15)}[data-theme="light"] .result-line{border-bottom-color:rgba(27,122,66,0.06)}[data-theme="light"] .result-label{color:rgba(0,0,0,0.45)}[data-theme="light"] .result-total{border-top-color:rgba(27,122,66,0.18)}[data-theme="light"] .conv-mode-toggle{background:rgba(0,0,0,0.02);border-color:rgba(139,94,26,0.08)}[data-theme="light"] .conv-input{background:rgba(0,0,0,0.02) !important;border-color:rgba(139,94,26,0.15) !important;color:#7A5F14 !important}[data-theme="light"] .conv-input:focus{background:rgba(212,152,10,0.03) !important;box-shadow:0 0 0 3px rgba(158,114,9,0.06) !important}[data-theme="light"] .conv-result{background:rgba(212,152,10,0.03);border-color:rgba(139,94,26,0.10)}[data-theme="light"] .price-table tr:hover td{background:rgba(212,152,10,0.02)}[data-theme="light"] .price-table td{border-bottom-color:rgba(139,94,26,0.05)}[data-theme="light"] .vat-note{background:rgba(212,152,10,0.03)}[data-theme="light"] .silver-theme.glass{background:rgba(245,248,252,0.95);border-color:rgba(107,122,142,0.15)}[data-theme="light"] .silver-theme .price-table td{border-bottom-color:rgba(107,122,142,0.06)}[data-theme="light"] .silver-theme .price-table tr:hover td{background:rgba(107,122,142,0.03)}[data-theme="light"] .history-stat{background:var(--bg-card)}[data-theme="light"] .history-stats{background:rgba(139,94,26,0.06)}[data-theme="light"] .range-btn{border-color:rgba(139,94,26,0.10)}[data-theme="light"] .knowledge-content{color:rgba(0,0,0,0.65)}[data-theme="light"] .knowledge-icon{background:rgba(212,152,10,0.06)}[data-theme="light"] .chat-input{background:rgba(0,0,0,0.02);border-color:rgba(139,94,26,0.10)}[data-theme="light"] .message.assistant .message-bubble{border-color:rgba(139,94,26,0.08)}[data-theme="light"] .chat-messages::-webkit-scrollbar-thumb{background:rgba(139,94,26,0.12)}[data-theme="light"] .quick-q{background:rgba(212,152,10,0.03);border-color:rgba(139,94,26,0.08)}[data-theme="light"] .quick-q:hover{background:rgba(212,152,10,0.08);border-color:rgba(139,94,26,0.15)}[data-theme="light"] .unit-toggle{background:rgba(0,0,0,0.02)}[data-theme="light"] .toggle-slider{background:rgba(0,0,0,0.12)}[data-theme="light"] .featured-calc-btn{box-shadow:0 2px 8px rgba(0,0,0,0.08)}[data-theme="light"] .ad-slot{background:rgba(0,0,0,0.01);border-color:rgba(0,0,0,0.05)}[data-theme="light"] footer{border-top-color:rgba(139,94,26,0.08)}.sticky-calc-btn{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;align-items:center;gap:10px;padding:12px 20px;background:linear-gradient(135deg,var(--gold),var(--gold-bright));color:#0d0a05;text-decoration:none;font-family:var(--font-display);font-size:14px;font-weight:800;border-radius:50px;box-shadow:0 4px 20px rgba(212,152,10,0.4);transition:all 0.3s cubic-bezier(0.175,0.885,0.32,1.275);border:1px solid rgba(255,255,255,0.2)}.sticky-calc-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 8px 30px rgba(212,152,10,0.5);filter:brightness(1.1)}.calc-icon{font-size:18px}@media (max-width:768px){.sticky-calc-btn{bottom:20px;right:20px;padding:10px 16px;font-size:12px}.calc-icon{font-size:16px}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important}}.sticky-calc-btn{position:fixed;bottom:2rem;right:2rem;background:linear-gradient(135deg,#F5C842,#D4980A);color:#000000;text-decoration:none;font-family:var(--font-display,'Hind Siliguri',sans-serif);font-weight:800;font-size:1.05rem;padding:0.8rem 1.4rem;border-radius:50px;box-shadow:0 8px 24px rgba(212,175,55,0.4),inset 0 2px 4px rgba(255,255,255,0.4);display:flex;align-items:center;gap:0.6rem;z-index:1000;transition:transform 0.3s cubic-bezier(0.175,0.885,0.32,1.275),box-shadow 0.3s ease;border:1px solid rgba(255,255,255,0.3)}.sticky-calc-btn:hover{transform:translateY(-5px) scale(1.02);box-shadow:0 12px 28px rgba(212,175,55,0.6),inset 0 2px 4px rgba(255,255,255,0.5);color:#000000}.sticky-calc-btn .calc-icon{font-size:1.3rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,0.1))}[data-theme="dark"] .sticky-calc-btn{background:linear-gradient(135deg,#FFD700,#E5A900);box-shadow:0 8px 24px rgba(229,169,0,0.3),inset 0 2px 4px rgba(255,255,255,0.3);color:#0D0A05}@media(max-width:768px){.sticky-calc-btn{bottom:1.5rem;right:1.5rem;padding:0.65rem 1.1rem;font-size:0.95rem}.sticky-calc-btn .calc-icon{font-size:1.15rem}}