:root{--glass-bg:rgba(255,255,255,0.85);--glass-border:rgba(255,255,255,0.25);--glass-shadow:0 4px 24px 0 rgba(31,38,135,0.08);--glass-blur:10px;--primary-gradient:linear-gradient(135deg,#667eea,#764ba2);--secondary-gradient:linear-gradient(135deg,#f093fb,#f5576c);--accent-gradient:linear-gradient(135deg,#4facfe,#00f2fe);--soft-gradient:linear-gradient(135deg,rgba(255,192,203,0.15),rgba(173,216,230,0.15))}[data-theme=dark]{--glass-bg:rgba(48,48,46,0.85);--glass-border:rgba(86,86,78,0.5);--glass-shadow:0 4px 24px 0 rgba(0,0,0,0.25)}.glass{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.glass-dark{background:rgba(0,0,0,.5);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1)}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-slideInUp{animation:slideInUp .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.message-enter{animation:slideInUp .3s ease-out}.btn-glass{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.btn-glass:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}.btn-glass:hover:before{left:100%}.btn-glass:hover{transform:translateY(-1px);box-shadow:0 6px 20px 0 rgba(31,38,135,.15)}.input-glass{background:var(--theme-input-bg,rgba(255,255,255,.9));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--theme-card-stroke,rgba(255,255,255,.3));transition:all .3s ease;color:var(--theme-text-primary)}.input-glass:focus{background:var(--theme-card,rgba(255,255,255,.95));border-color:rgba(102,126,234,.5);box-shadow:0 0 0 4px rgba(102,126,234,.1)}.card-hover{transition:all .3s cubic-bezier(.4,0,.2,1)}.card-hover:hover{transform:translateY(-2px);box-shadow:0 8px 30px 0 rgba(31,38,135,.12)}.gradient-text{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.skeleton-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite;background:linear-gradient(90deg,rgba(255,255,255,.1),rgba(255,255,255,.3) 50%,rgba(255,255,255,.1));background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.float-animation{animation:float 3s ease-in-out infinite}