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ease}.auth-back-btn:hover{color:var(--text-primary, #1e293b);background:var(--bg-secondary, rgba(0, 0, 0, .05))}.auth-brand{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:700;color:var(--text-primary, #1e293b);cursor:pointer;position:absolute;left:50%;transform:translate(-50%)}.auth-logo-icon{width:32px;height:32px;background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff}.auth-theme-toggle{background:none;border:1px solid var(--border-color, #e2e8f0);color:var(--text-secondary, #64748b);cursor:pointer;width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.auth-theme-toggle:hover{background:var(--bg-secondary, rgba(0, 0, 0, .05));color:var(--text-primary, #1e293b)}.auth-container{position:relative;z-index:10;flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;width:100%}.auth-card{width:100%;max-width:420px;background:var(--card-bg, rgba(255, 255, 255, .8));backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color, rgba(226, 232, 240, .6));border-radius:20px;padding:2.5rem;box-shadow:0 4px 6px -1px #0000000d,0 10px 15px -3px #0000000d,0 25px 50px -12px #0000001a;animation:auth-card-in .5s ease-out}@keyframes auth-card-in{0%{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.auth-card-header{text-align:center;margin-bottom:2rem}.auth-card-header h1{font-size:1.6rem;font-weight:700;color:var(--text-primary, #1e293b);margin:0 0 .5rem;letter-spacing:-.02em}.auth-card-header p{font-size:.95rem;color:var(--text-secondary, #64748b);margin:0}.auth-google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:.75rem;padding:.8rem 1rem;background:var(--bg-primary, #fff);border:1px solid var(--border-color, #e2e8f0);border-radius:12px;font-size:.95rem;font-weight:500;color:var(--text-primary, #1e293b);cursor:pointer;transition:all .2s ease}.auth-google-btn:hover:not(:disabled){background:var(--bg-secondary, #f8f9fc);border-color:var(--border-hover, #cbd5e1);box-shadow:0 2px 8px #0000000f;transform:translateY(-1px)}.auth-google-btn:active:not(:disabled){transform:translateY(0)}.auth-google-btn:disabled{opacity:.6;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:1rem;margin:1.5rem 0}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-color, #e2e8f0)}.auth-divider span{font-size:.8rem;color:var(--text-tertiary, #94a3b8);text-transform:uppercase;letter-spacing:.05em;font-weight:500}.auth-form{display:flex;flex-direction:column;gap:.85rem}.auth-input-group{position:relative;display:flex;align-items:center}.auth-input-icon{position:absolute;left:14px;color:var(--text-tertiary, #94a3b8);pointer-events:none;z-index:1;transition:color .2s ease}.auth-input-group input{width:100%;padding:.8rem 1rem .8rem 2.75rem;background:var(--input-bg, rgba(241, 245, 249, .6));border:1.5px solid var(--border-color, #e2e8f0);border-radius:12px;font-size:.95rem;color:var(--text-primary, #1e293b);outline:none;transition:all .2s ease}.auth-input-group input::placeholder{color:var(--text-tertiary, #94a3b8)}.auth-input-group input:focus{border-color:#6366f1;background:var(--bg-primary, #fff);box-shadow:0 0 0 3px #6366f11a}.auth-input-group input:focus+.auth-input-icon,.auth-input-group input:focus~.auth-input-icon{color:#6366f1}.auth-input-group:has(input:focus) .auth-input-icon{color:#6366f1}.auth-password-toggle{position:absolute;right:12px;background:none;border:none;color:var(--text-tertiary, #94a3b8);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color .2s ease}.auth-password-toggle:hover{color:var(--text-secondary, #64748b)}.auth-error{background:#ef444414;border:1px solid rgba(239,68,68,.2);color:#dc2626;padding:.75rem 1rem;border-radius:10px;font-size:.85rem;font-weight:500;animation:auth-msg-in .3s ease}.auth-success{background:#22c55e14;border:1px solid rgba(34,197,94,.2);color:#16a34a;padding:.75rem 1rem;border-radius:10px;font-size:.85rem;font-weight:500;animation:auth-msg-in .3s ease}@keyframes auth-msg-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.auth-submit-btn{width:100%;padding:.85rem 1rem;margin-top:.5rem;background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;border-radius:12px;font-size:1rem;font-weight:600;color:#fff;cursor:pointer;transition:all .25s ease;display:flex;align-items:center;justify-content:center;min-height:48px;position:relative;overflow:hidden}.auth-submit-btn:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#818cf8,#a78bfa);opacity:0;transition:opacity .25s ease}.auth-submit-btn:hover:not(:disabled):before{opacity:1}.auth-submit-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 20px #6366f159}.auth-submit-btn:active:not(:disabled){transform:translateY(0)}.auth-submit-btn:disabled{opacity:.7;cursor:not-allowed}.auth-submit-btn span,.auth-submit-btn .auth-spinner{position:relative;z-index:1}.auth-spinner{width:22px;height:22px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:auth-spin .7s linear infinite}@keyframes auth-spin{to{transform:rotate(360deg)}}.auth-toggle{text-align:center;margin-top:1.5rem;font-size:.9rem;color:var(--text-secondary, #64748b)}.auth-toggle button{background:none;border:none;color:#6366f1;font-weight:600;cursor:pointer;padding:0;margin-left:.35rem;font-size:.9rem;transition:color .2s ease}.auth-toggle button:hover{color:#4f46e5;text-decoration:underline}[data-theme=dark] .auth-bg-gradient{background:#0f172a}[data-theme=dark] .auth-bg-orb-1{opacity:.2}[data-theme=dark] .auth-bg-orb-2{opacity:.15}[data-theme=dark] .auth-card{background:#1e293bb3;border-color:#33415599;box-shadow:0 4px 6px -1px #0003,0 10px 15px -3px #0003,0 25px 50px -12px #0000004d}[data-theme=dark] .auth-card-header h1{color:#f1f5f9}[data-theme=dark] .auth-card-header p{color:#94a3b8}[data-theme=dark] .auth-google-btn{background:#1e293b80;border-color:#33415599;color:#e2e8f0}[data-theme=dark] .auth-google-btn:hover:not(:disabled){background:#33415580;border-color:#47556999}[data-theme=dark] .auth-input-group input{background:#0f172a80;border-color:#33415599;color:#e2e8f0}[data-theme=dark] .auth-input-group input::placeholder{color:#64748b}[data-theme=dark] .auth-input-group input:focus{background:#0f172acc;border-color:#6366f1;box-shadow:0 0 0 3px #6366f126}[data-theme=dark] .auth-toggle,[data-theme=dark] .auth-back-btn{color:#94a3b8}[data-theme=dark] .auth-back-btn:hover{color:#e2e8f0;background:#33415566}[data-theme=dark] .auth-brand{color:#f1f5f9}[data-theme=dark] .auth-theme-toggle{border-color:#33415599;color:#94a3b8}[data-theme=dark] .auth-theme-toggle:hover{background:#33415566;color:#e2e8f0}@media(max-width:480px){.auth-card{padding:2rem 1.5rem;border-radius:16px}.auth-nav{padding:1rem 1.25rem}.auth-card-header h1{font-size:1.4rem}}