.via-btn{border-radius:var(--via-radius-pill);font-family:var(--via-font);font-weight:var(--via-fw-medium);letter-spacing:-.008em;cursor:pointer;white-space:nowrap;isolation:isolate;transition:background var(--via-dur) ease, border-color var(--via-dur) ease, color var(--via-dur) ease, transform .2s var(--via-ease-snap), box-shadow var(--via-dur) ease, filter .2s ease;border:1px solid #0000;justify-content:center;align-items:center;gap:7px;display:inline-flex;position:relative;overflow:hidden}.via-btn:after{content:"";pointer-events:none;width:65%;height:100%;transition:left .65s var(--via-ease-snap);background:linear-gradient(100deg,#0000 0%,#ffffff38 45%,#ffffff0f 60%,#0000 100%);position:absolute;top:0;left:-120%}.via-btn:hover:not(:disabled):after{left:120%}.via-btn:disabled,.via-btn--loading{cursor:not-allowed;opacity:.6;pointer-events:none}.via-btn--full{width:100%}.via-btn__label{z-index:1;align-items:center;display:inline-flex;position:relative}.via-btn__icon{z-index:1;justify-content:center;align-items:center;display:inline-flex;position:relative}.via-btn--sm{font-size:var(--via-fs-xs);padding:7px 14px}.via-btn--md{font-size:var(--via-fs-caption);padding:10px 18px}.via-btn--lg{font-size:var(--via-fs-sm);padding:13px 24px}.via-btn--primary{background:linear-gradient(180deg, var(--via-navy), var(--via-navy-deep));border-color:var(--via-navy);color:var(--via-white);box-shadow:0 1px 0 #ffffff2e inset, 0 -1px 0 #0000001a inset, 0 8px 18px -6px var(--via-shadow-ink-40)}.via-btn--primary:hover:not(:disabled){box-shadow:0 1px 0 #ffffff38 inset, 0 -1px 0 #0000001a inset, 0 14px 28px -8px var(--via-shadow-ink-60), 0 4px 12px -4px var(--via-shadow-ink-30);filter:brightness(1.06);transform:translateY(-1px)}.via-btn--primary:active:not(:disabled){box-shadow:0 2px 6px -2px var(--via-shadow-ink-40) inset, 0 4px 10px -6px var(--via-shadow-ink-40)}.via-btn--secondary{--via-text-primary:var(--via-navy);--via-text-body:var(--via-gray-700);--via-text-muted:var(--via-gray-500);--via-text-faint:var(--via-gray-400);background:var(--via-surface-onnavy);-webkit-backdrop-filter:blur(16px)saturate(160%);border-color:var(--via-edge-hi);color:var(--via-text-primary);box-shadow:0 1px 0 var(--via-edge-hi) inset, 0 0 0 .5px var(--via-navy-10), 0 4px 10px -4px var(--via-shadow-ink-14)}.via-btn--secondary:hover:not(:disabled){background:var(--via-glass-card);box-shadow:0 1px 0 #fff inset, 0 0 0 .5px var(--via-navy-18), 0 12px 24px -8px var(--via-shadow-ink-20);transform:translateY(-1px)}.via-btn--secondary:active:not(:disabled){box-shadow:0 1px 3px var(--via-shadow-ink-14) inset, 0 0 0 .5px var(--via-navy-14)}.via-btn--ghost{color:var(--via-ink-2);background:0 0;border-color:#0000}.via-btn--ghost:hover:not(:disabled){background:linear-gradient(180deg, var(--via-navy-06), var(--via-navy-03));-webkit-backdrop-filter:blur(8px);color:var(--via-text-primary)}.via-btn--destructive{color:var(--via-coral-dark);background:0 0;border-color:#b85c5c57}.via-btn--destructive:hover:not(:disabled){background:linear-gradient(135deg, var(--via-coral), var(--via-coral-deep));color:var(--via-white);border-color:#0000;transform:translateY(-1px);box-shadow:inset 0 1px #ffffff2e,0 12px 24px -6px #b85c5c7a}.via-btn--destructive:active:not(:disabled){box-shadow:inset 0 2px 6px -2px #b85c5c66}.via-btn--accent{background:radial-gradient(125% 130% at 50% -28%, #ffffff38, #fff0 56%), linear-gradient(180deg, var(--via-navy) 0%, var(--via-navy-deep) 56%, var(--via-navy-darker) 100%);border-color:var(--via-navy-deep);color:var(--via-white);box-shadow:0 1px 0 #ffffff4d inset, 0 -1px 0 #00000047 inset, 0 10px 26px -6px var(--via-shadow-ink-60), 0 2px 8px -2px var(--via-shadow-ink-40)}.via-btn--accent:hover:not(:disabled){filter:brightness(1.07);box-shadow:0 1px 0 #fff6 inset, 0 -1px 0 #00000047 inset, 0 18px 38px -8px var(--via-shadow-ink-60), 0 6px 16px -4px var(--via-shadow-ink-40);transform:translateY(-1px)}.via-btn--accent:active:not(:disabled){box-shadow:0 2px 8px -2px #0006 inset, 0 4px 12px -6px var(--via-shadow-ink-60)}.via-btn:active:not(:disabled){transition-duration:var(--via-dur-press);transform:translateY(0)scale(.985)}.via-btn__spinner{z-index:1;border:2px solid;border-right-color:#0000;border-radius:50%;width:14px;height:14px;animation:.8s linear infinite via-btn-spin;position:relative}@keyframes via-btn-spin{to{transform:rotate(360deg)}}.via-btn--loading .via-btn__label{opacity:.7}.via-btn:focus-visible{box-shadow:0 0 0 2px var(--via-surface), 0 0 0 4px var(--via-navy-60);outline:none}@media (prefers-reduced-motion:reduce){.via-btn:after{display:none}.via-btn{transition:none!important}}@media (pointer:coarse){.via-btn{min-height:44px}}