.ais-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:var(--ais-space-2,8px);font-family:var(--study-font-ui,"Inter",system-ui,sans-serif);font-weight:600;line-height:1.25;text-align:center;text-decoration:none;white-space:nowrap;border-radius:var(--ais-radius-lg,12px);border:1px solid transparent;cursor:pointer;user-select:none;transition:background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease,transform .15s cubic-bezier(.34,1.2,.64,1);outline:none;-webkit-tap-highlight-color:transparent}.ais-btn:active{transform:scale(.96)}.ais-btn:focus-visible{outline:2px solid var(--study-accent-primary,var(--accent,#D4AF37));outline-offset:2px}.ais-btn:disabled,.ais-btn[aria-disabled=true]{opacity:.5;cursor:not-allowed;pointer-events:none;box-shadow:none!important;transform:none!important}.ais-btn--full-width{width:100%}.ais-btn--sm{min-height:44px;padding:6px 14px;font-size:.8125rem;border-radius:var(--ais-radius-md,8px)}.ais-btn--md{padding:10px 20px;font-size:.875rem;border-radius:var(--ais-radius-lg,12px)}.ais-btn--lg,.ais-btn--md{min-height:48px;min-width:48px}.ais-btn--lg{padding:12px 24px;font-size:.9375rem;border-radius:var(--ais-radius-xl,16px)}.ais-btn--primary{background:var(--study-accent-primary,var(--accent,#D4AF37));color:var(--study-text-inverse,var(--accent-text,#0B0F17));border-color:transparent;box-shadow:0 1px 3px rgba(0,0,0,.08)}.ais-btn--primary:hover{background:var(--study-accent-hover,var(--accent-hover,#C5A028));box-shadow:0 4px 14px var(--study-accent-glow,rgba(212,175,55,.28))}.ais-btn--secondary{background:var(--study-bg-surface,var(--bg-surface,#FFFFFF));color:var(--study-text-primary,var(--text-primary,#1E293B));border-color:var(--study-border-subtle,var(--border-subtle,#E5E0D8));box-shadow:0 1px 2px rgba(0,0,0,.04)}.ais-btn--secondary:hover{background:var(--study-bg-elevated,var(--bg-surface-elevated,#F4F0E8));border-color:var(--study-border-focus,var(--accent,#D4AF37))}.ais-btn--outline{background:var(--bg-surface-elevated,#FFFFFF);color:var(--text-primary,#1E293B);border-color:var(--border-card,#E2E8F0);box-shadow:0 1px 2px rgba(0,0,0,.04)}.ais-btn--outline:hover{background:var(--bg-surface,#F8FAFC);border-color:var(--accent,#D4AF37);color:var(--accent,#D4AF37)}[data-theme=dark] .ais-btn--outline{background:rgba(255,255,255,.05);color:var(--text-primary,#F8FAFC);border-color:rgba(212,175,55,.4)}:where(.ais-btn--ghost){background:transparent;color:var(--study-text-secondary,var(--text-secondary,#334155));border-color:transparent}:where(.ais-btn--ghost):hover{background:var(--study-bg-elevated,rgba(0,0,0,.05));color:var(--study-text-primary,var(--text-primary,#1E293B))}.ais-btn--pill{border-radius:9999px;padding-left:18px;padding-right:18px}.ais-btn--icon{padding:0;border-radius:var(--ais-radius-lg,12px)}.ais-btn--danger{background:#EF4444;color:#FFFFFF;border-color:transparent}.ais-btn--danger:hover{background:#DC2626}.ais-btn__spinner{display:inline-block;width:1rem;height:1rem;border:2px solid;border-right:2px solid transparent;border-radius:50%;animation:ais-btn-spin .6s linear infinite}@keyframes ais-btn-spin{to{transform:rotate(1turn)}}.ais-btn__label{display:inline-flex;flex-direction:inherit;align-items:inherit;justify-content:inherit;gap:inherit;width:100%;min-width:0}.ais-btn.flex-col,.ais-btn.flex-col .ais-btn__label,.ais-btn.h-auto,.ais-btn.h-auto .ais-btn__label,.ais-btn.text-left,.ais-btn.text-left .ais-btn__label,.ais-btn.whitespace-normal,.ais-btn.whitespace-normal .ais-btn__label{white-space:normal}.ais-btn.flex-col{flex-direction:column}.ais-btn.items-start{align-items:flex-start}.ais-btn.items-stretch{align-items:stretch}.ais-btn.justify-between{justify-content:space-between}.ais-btn.justify-start{justify-content:flex-start}.ais-btn.text-left{text-align:left}.ais-btn.min-h-0{min-height:0}.ais-btn.min-w-0{min-width:0}.ais-btn.ais-inline-lemma-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;height:auto;padding:2px 4px;margin:-6px 0;font-family:inherit;font-size:inherit;font-weight:inherit;line-height:inherit;color:inherit;background:transparent;border:none;border-bottom:1px dotted rgba(212,175,55,.5);border-radius:3px;white-space:normal;vertical-align:middle}.ais-btn.ais-inline-lemma-btn .ais-btn__label{display:inline;width:auto}.ais-btn.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0;min-width:0;min-height:0}.ais-btn.hidden{display:none}@media (min-width:640px){.ais-btn.sm\:inline-flex{display:inline-flex}.ais-btn.sm\:flex{display:flex}}@media (min-width:768px){.ais-btn.md\:inline-flex{display:inline-flex}.ais-btn.md\:flex{display:flex}}@media (min-width:1024px){.ais-btn.lg\:inline-flex{display:inline-flex}.ais-btn.lg\:flex{display:flex}}@media (min-width:1280px){.ais-btn.xl\:inline-flex{display:inline-flex}.ais-btn.xl\:flex{display:flex}}