:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-elevated:hsla(0,0%,100%,.04);--border-glass:hsla(0,0%,100%,.08);--border-focus:rgba(99,102,241,.6);--text-primary:#f4f4f5;--text-secondary:#a1a1aa;--text-muted:#71717a;--accent:#6366f1;--accent-hover:#818cf8;--accent-glow:rgba(99,102,241,.35);--error:#f87171;--error-bg:hsla(0,91%,71%,.12);--success:#34d399;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--shadow-glass:0 8px 32px rgba(0,0,0,.4);--font-sans:"Inter",system-ui,-apple-system,sans-serif}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100%;font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}body{background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(99,102,241,.18),transparent),radial-gradient(ellipse 60% 40% at 100% 100%,rgba(139,92,246,.1),transparent),var(--bg-primary)}a{color:var(--accent);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent-hover)}button{cursor:pointer}button,input{font-family:inherit}.glass-card{background:var(--bg-elevated);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-glass)}.auth-page{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:1.5rem}.auth-container{width:100%;max-width:420px}.auth-brand{text-align:center;margin-bottom:2rem}.auth-brand h1{font-size:1.75rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-brand p{margin-top:.5rem;font-size:.875rem;color:var(--text-secondary)}.auth-card{padding:2rem}.auth-card h2{font-size:1.25rem;font-weight:600;margin-bottom:.25rem}.auth-card .subtitle{font-size:.875rem;color:var(--text-secondary);margin-bottom:1.5rem}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:.8125rem;font-weight:500;color:var(--text-secondary);margin-bottom:.5rem}.form-input{width:100%;padding:.75rem 1rem;font-size:.9375rem;color:var(--text-primary);background:rgba(0,0,0,.3);border:1px solid var(--border-glass);border-radius:var(--radius-sm);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.form-input::placeholder{color:var(--text-muted)}.form-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}.form-input.error{border-color:var(--error)}.form-input.error:focus{box-shadow:0 0 0 3px hsla(0,91%,71%,.25)}.field-error{display:block;margin-top:.375rem;font-size:.75rem;color:var(--error)}.password-wrapper{position:relative}.password-wrapper .form-input{padding-right:2.75rem}.password-toggle{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);padding:.25rem;display:flex;align-items:center;justify-content:center;transition:color .15s ease}.password-toggle:hover{color:var(--text-secondary)}.form-row{justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}.checkbox-label,.form-row{display:flex;align-items:center}.checkbox-label{gap:.5rem;font-size:.8125rem;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.checkbox-label input[type=checkbox]{width:1rem;height:1rem;accent-color:var(--accent);cursor:pointer}.terms-label{align-items:flex-start;line-height:1.5}.terms-label input[type=checkbox]{margin-top:.2rem}.terms-link{font-weight:500}.terms-link:hover{text-decoration:underline}.forgot-link{font-size:.8125rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.8125rem 1.25rem;font-size:.9375rem;font-weight:600;border:none;border-radius:var(--radius-sm);transition:background .15s ease,opacity .15s ease,transform .1s ease}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-google{background:hsla(0,0%,100%,.06);color:var(--text-primary);border:1px solid var(--border-glass);margin-top:.75rem}.btn-google:hover:not(:disabled){background:hsla(0,0%,100%,.1)}.divider{display:flex;align-items:center;gap:1rem;margin:1.25rem 0;color:var(--text-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.divider:after,.divider:before{content:"";flex:1 1;height:1px;background:var(--border-glass)}.alert-error{display:flex;align-items:flex-start;gap:.625rem;padding:.75rem 1rem;margin-bottom:1.25rem;font-size:.8125rem;color:var(--error);background:var(--error-bg);border:1px solid hsla(0,91%,71%,.25);border-radius:var(--radius-sm)}.auth-footer{text-align:center;margin-top:1.5rem;font-size:.875rem;color:var(--text-secondary)}.spinner{width:1.125rem;height:1.125rem;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:480px){.auth-card{padding:1.5rem}.auth-brand h1{font-size:1.5rem}.form-row{flex-direction:column;align-items:flex-start}}