.auth-page{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}.auth-panel{background:var(--panel-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2.5rem 3rem;position:relative;overflow:hidden}.auth-panel::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:28px 28px;pointer-events:none;z-index:0}.auth-panel::after{content:'';position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,.18) 0%,transparent 70%);bottom:-100px;right:-80px;pointer-events:none;z-index:0}.auth-panel__glow{position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.12) 0%,transparent 70%);top:-80px;left:-60px;pointer-events:none;z-index:0}.auth-panel__center{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:1.125rem;text-align:center}.auth-panel__brand{display:flex;align-items:center;justify-content:center}.auth-panel .brand-logo__img{filter:brightness(0) invert(1)}.auth-panel .brand-logo__badge{background:rgba(255,255,255,.1);color:#93c5fd;border-color:rgba(255,255,255,.15)}.auth-panel__tagline{font-size:.75rem;font-weight:500;color:rgba(255,255,255,.35);letter-spacing:.1em;text-transform:uppercase;padding-top:.75rem;border-top:1px solid rgba(255,255,255,.1);width:100%;text-align:center}.auth-panel__footer{position:absolute;bottom:1.75rem;left:0;right:0;text-align:center;z-index:2}.auth-panel__footer p{font-size:.6875rem;color:rgba(255,255,255,.18)}.auth-form{background:var(--surface-card);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2.5rem 4rem;position:relative;transition:background .3s ease}.auth-form .theme-toggle{position:absolute;top:1.5rem;right:1.5rem}.auth-form__wrap{width:100%;max-width:380px;animation:fadeSlideUp .45s cubic-bezier(.16,1,.3,1) both}.auth-form__header{margin-bottom:2rem}.auth-form__header h3{font-size:1.625rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em;margin-bottom:.375rem}.auth-form__header p{font-size:.875rem;color:var(--text-secondary)}.form-field{margin-bottom:1.125rem}.form-field__floating{position:relative}.form-field__input{width:100%;height:54px;padding:18px 14px 6px;font-size:.9375rem;font-family:inherit;color:var(--input-text);background:var(--input-bg);border:1.5px solid var(--input-border);border-radius:10px;outline:none;transition:border-color .2s,box-shadow .2s;-webkit-appearance:none}.form-field__input::placeholder{color:transparent}.form-field__input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(59,130,246,.12)}.form-field__label{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:.9375rem;color:var(--input-label);pointer-events:none;transition:all .18s cubic-bezier(.4,0,.2,1)}.form-field__input:focus~.form-field__label,.form-field__input:not(:placeholder-shown)~.form-field__label{top:9px;transform:none;font-size:.6875rem;font-weight:500;letter-spacing:.02em;color:var(--input-label-active);text-transform:uppercase}.form-field__floating--password .form-field__input{padding-right:46px}.form-field__toggle-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:.9375rem;padding:4px;display:flex;align-items:center;outline:none;transition:color .2s}.form-field__toggle-btn:hover{color:var(--brand-primary)}.auth-alert{display:none;padding:.75rem 1rem;border-radius:8px;font-size:.8125rem;margin-bottom:1.25rem;border:1px solid var(--error-border);background:var(--error-bg);color:var(--error-text);line-height:1.5;position:relative}.auth-alert--visible{display:flex;align-items:flex-start;gap:.5rem}.auth-alert__icon{margin-top:1px;flex-shrink:0}.auth-alert__close{position:absolute;right:6px;top:6px;background:none;border:none;cursor:pointer;color:var(--error-text);opacity:.5;font-size:.8125rem;padding:6px 8px;min-width:28px;min-height:28px;display:flex;align-items:center;justify-content:center;outline:none;border-radius:4px}.auth-alert__close:hover{opacity:1}.btn-submit{width:100%;height:48px;margin-top:.5rem;border:none;border-radius:10px;font-size:.9375rem;font-weight:600;font-family:inherit;letter-spacing:.01em;cursor:pointer;background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);color:#fff;box-shadow:var(--shadow-btn);transition:all .2s ease;position:relative;overflow:hidden;outline:none;display:flex;align-items:center;justify-content:center;gap:.5rem}.btn-submit::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.12) 0%,transparent 60%);opacity:0;transition:opacity .2s}.btn-submit:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(37,99,235,.45)}.btn-submit:hover::before{opacity:1}.btn-submit:active{transform:translateY(0)}.btn-submit--loading{pointer-events:none;opacity:.8}.btn-submit__spinner{display:none;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.btn-submit--loading .btn-submit__spinner{display:block}.btn-submit--loading .btn-submit__label{opacity:.7}@keyframes fadeSlideUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.auth-page{grid-template-columns:1fr}.auth-panel{padding:2rem 2rem 2.5rem;min-height:auto}.auth-panel::after{display:none}.auth-form{padding:2.5rem 1.5rem;min-height:65vh}.auth-form__wrap{max-width:100%}}@media(max-width:480px){.auth-panel{padding:1.5rem}.auth-form{padding:2rem 1.25rem}.auth-form__header h3{font-size:1.375rem}}