.skeleton{background:linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 75%);background-size:200% 100%;animation:1.8s ease-in-out infinite skeleton-shimmer;display:inline-block}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{border-radius:var(--radius-sm);height:1em;margin-bottom:var(--space-2);display:block}.skeleton-rectangular{border-radius:var(--radius-md);display:block}.skeleton-circular{border-radius:var(--radius-full)}.skeleton-text-container{gap:var(--space-2);flex-direction:column;display:flex}.skeleton-text-container .skeleton:last-child{margin-bottom:0}.skeleton-card{padding:var(--space-4)}.skeleton-card-image{margin-bottom:var(--space-4);border-radius:var(--radius-md)}.skeleton-card-title{margin-bottom:var(--space-3)}[data-theme=dark] .skeleton{background:linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-surface-hover) 50%, var(--color-bg-tertiary) 75%);background-size:200% 100%}@media (prefers-reduced-motion:reduce){.skeleton{background:var(--color-bg-tertiary);animation:none}}.skeleton-table{--table-sticky-top:0px;overflow-x:hidden}.loading-state{justify-content:center;align-items:center;gap:var(--space-3);color:var(--color-text-secondary);display:flex}.loading-state--inline{padding:var(--space-6) var(--space-4);font-size:var(--font-size-sm)}.loading-state--card{padding:var(--space-4);text-align:left;align-items:stretch;gap:var(--space-2);flex-direction:column}.loading-state__spinner{border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:var(--radius-full);flex-shrink:0;width:20px;height:20px;animation:.8s linear infinite loading-state-spin}.loading-state__label{font-size:inherit;color:inherit}@keyframes loading-state-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.loading-state__spinner{animation-duration:2s}}.empty-state{text-align:center;padding:var(--space-8) var(--space-4);flex-direction:column;justify-content:center;align-items:center;animation:.3s ease-out empty-state-fade-in;display:flex}@keyframes empty-state-fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.empty-state-small{padding:var(--space-6) var(--space-4)}.empty-state-medium{padding:var(--space-10) var(--space-6)}.empty-state-large{padding:var(--space-16) var(--space-8)}.empty-state-icon{width:80px;height:80px;margin-bottom:var(--space-4);background-color:var(--color-bg-secondary);border-radius:var(--radius-full);color:var(--color-text-tertiary);justify-content:center;align-items:center;display:flex}.empty-state-small .empty-state-icon{width:56px;height:56px;margin-bottom:var(--space-3)}.empty-state-large .empty-state-icon{width:100px;height:100px;margin-bottom:var(--space-5)}.empty-state-illustration{margin-bottom:var(--space-4);color:var(--color-text-tertiary);justify-content:center;align-items:center;width:100%;max-width:160px;display:flex}.empty-state-illustration svg{width:100%;height:auto;max-height:160px;display:block}.empty-state-small .empty-state-illustration{max-width:96px;margin-bottom:var(--space-3)}.empty-state-small .empty-state-illustration svg{max-height:96px}.empty-state-large .empty-state-illustration{max-width:200px;margin-bottom:var(--space-5)}.empty-state-large .empty-state-illustration svg{max-height:200px}.empty-state-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0 0 var(--space-2) 0}.empty-state-small .empty-state-title{font-size:var(--font-size-base)}.empty-state-large .empty-state-title{font-size:var(--font-size-xl)}.empty-state-description{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0 0 var(--space-4) 0;max-width:400px;line-height:var(--line-height-relaxed)}.empty-state-small .empty-state-description{font-size:var(--font-size-sm);margin-bottom:var(--space-3)}.empty-state-tip{align-items:flex-start;gap:var(--space-2);text-align:left;max-width:420px;margin:0 0 var(--space-4) 0;padding:var(--space-3) var(--space-4);background-color:var(--rt-accent-light);border-left:3px solid var(--rt-accent);border-radius:var(--radius-sm);font-size:var(--font-size-sm);line-height:var(--line-height-relaxed);color:var(--color-text-secondary);display:flex}.empty-state-tip-icon{color:var(--rt-accent-strong);flex-shrink:0;margin-top:2px}.empty-state-tip-label{font-weight:var(--font-weight-semibold);color:var(--rt-accent-strong)}.empty-state-small .empty-state-tip{margin-bottom:var(--space-3);padding:var(--space-2) var(--space-3)}.empty-state-action{margin-top:var(--space-2)}@media (width<=480px){.empty-state{padding:var(--space-6) var(--space-4)}.empty-state-medium{padding:var(--space-8) var(--space-4)}.empty-state-large{padding:var(--space-10) var(--space-6)}.empty-state-large .empty-state-icon{width:80px;height:80px}.empty-state-illustration{max-width:120px}.empty-state-illustration svg{max-height:120px}}@media (prefers-reduced-motion:reduce){.empty-state{animation:none}}.tooltip{background-color:var(--color-text-primary);color:var(--color-text-inverse);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);z-index:9999;pointer-events:none;box-shadow:var(--shadow-lg);word-wrap:break-word;max-width:250px;animation:.15s ease-out tooltip-fade-in;position:absolute}@keyframes tooltip-fade-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){.tooltip{animation:none}}.toast-container{bottom:calc(var(--space-6) + var(--safe-area-bottom));right:calc(var(--space-6) + var(--safe-area-right));z-index:9999;gap:var(--space-3);pointer-events:none;flex-direction:column;max-width:400px;display:flex;position:fixed}.toast{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);pointer-events:auto;min-width:280px;max-width:400px;display:flex}.toast-enter{animation:.4s cubic-bezier(.34,1.56,.64,1) forwards toast-slide-in}@keyframes toast-slide-in{0%{opacity:0;transform:translate(110%)}to{opacity:1;transform:translate(0)}}.toast-exit{animation:.25s ease-in forwards toast-slide-out}@keyframes toast-slide-out{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}.toast-icon{flex-shrink:0;animation:.5s cubic-bezier(.34,1.56,.64,1) .1s backwards toast-icon-pop}@keyframes toast-icon-pop{0%{opacity:0;transform:scale(.3)}60%{opacity:1;transform:scale(1.15)}to{opacity:1;transform:scale(1)}}.toast-error.toast-enter{animation:.4s cubic-bezier(.34,1.56,.64,1) forwards toast-slide-in,.4s ease-in-out .45s toast-error-nudge}@keyframes toast-error-nudge{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}.toast-message{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);line-height:var(--line-height-normal);flex:1}.toast-action{color:inherit;font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);padding:var(--space-1) var(--space-3);border-radius:var(--radius-sm);cursor:pointer;text-transform:uppercase;letter-spacing:.04em;opacity:.95;transition:background-color var(--transition-fast), opacity var(--transition-fast);background:0 0;border:1px solid;flex-shrink:0}.toast-action:hover{background-color:color-mix(in srgb, currentColor 18%, transparent);opacity:1}.toast-close{padding:var(--space-1);cursor:pointer;opacity:.7;transition:opacity var(--transition-fast);border-radius:var(--radius-sm);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex}.toast-close:hover{opacity:1;background-color:color-mix(in srgb, currentColor 12%, transparent)}.toast-success{background-color:var(--color-success-fill);color:var(--color-on-success)}.toast-success .toast-icon,.toast-success .toast-close{color:var(--color-on-success)}.toast-error{background-color:var(--color-danger-fill);color:var(--color-on-danger)}.toast-error .toast-icon,.toast-error .toast-close{color:var(--color-on-danger)}.toast-warning{background-color:var(--color-warning-fill);color:var(--color-on-warning)}.toast-warning .toast-icon,.toast-warning .toast-close{color:var(--color-on-warning)}.toast-info{background-color:var(--color-info-fill);color:var(--color-on-info)}.toast-info .toast-icon,.toast-info .toast-close{color:var(--color-on-info)}@media (width<=480px){.toast-container{left:calc(var(--space-4) + var(--safe-area-left));right:calc(var(--space-4) + var(--safe-area-right));bottom:calc(var(--space-4) + var(--safe-area-bottom));max-width:none}.toast{min-width:unset;max-width:none}.toast-enter{animation:.3s ease-out forwards toast-slide-up}@keyframes toast-slide-up{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}.toast-exit{animation:.3s ease-in forwards toast-fade-out}@keyframes toast-fade-out{0%{opacity:1}to{opacity:0}}}@media (prefers-reduced-motion:reduce){.toast-enter,.toast-error.toast-enter{animation:.2s ease-out forwards toast-fade-in-reduced}.toast-exit{animation:.2s ease-in forwards toast-fade-out-reduced}.toast-icon{animation:none}@keyframes toast-fade-in-reduced{0%{opacity:0}to{opacity:1}}@keyframes toast-fade-out-reduced{0%{opacity:1}to{opacity:0}}}