body{padding-bottom:var(--space-xl)}.container{text-align:center;padding-top:var(--space-2xl)}.logo-container{margin-bottom:var(--space-2xl);animation:fadeInUp 1s ease-out;user-select:none;-webkit-user-select:none}.logo-container img{width:140px;height:auto;filter:drop-shadow(0 10px 30px rgba(255,255,255,.1));transition:transform var(--transition-base)}.logo-container img:hover{transform:scale(1.05)}.tagline{font-size:var(--font-size-3xl);font-weight:var(--font-weight-black);margin-bottom:var(--space-lg);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.05em;line-height:1.1;user-select:none;-webkit-user-select:none}@media(min-width:768px){.tagline{font-size:var(--font-size-5xl)}}.download-promo{margin-top:var(--space-xl);padding-top:var(--space-2xl)}.download-title{font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:1px;text-align:center;cursor:pointer;user-select:none;-webkit-user-select:none}.divider{margin:var(--space-lg) 0;width:100%;height:2px;background-color:#ffffff1a}.download-section{display:flex;flex-wrap:wrap;gap:var(--space-md);justify-content:center;align-items:center;margin:0 auto;width:100%;max-width:600px}.download-badge{width:180px;height:auto;display:block;transition:var(--transition-base);border-radius:var(--radius-md);overflow:hidden;cursor:pointer}.download-badge:not(.disabled):hover{transform:translateY(-3px);filter:brightness(1.1)}.download-badge.disabled{filter:grayscale(90%);opacity:.5;cursor:not-allowed;pointer-events:none}.download-badge img{width:100%;height:auto;display:block}.header{position:absolute;top:0;left:0;width:100%;padding:var(--space-lg) var(--space-xl);display:flex;justify-content:flex-end;align-items:center;z-index:3}.logo{display:none}.auth-container{width:100%;max-width:420px;margin:var(--space-2xl) auto 0;animation:fadeInUp .6s ease-out}#signin-form{background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-xl);padding:var(--space-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-full{width:100%;margin-top:var(--space-md)}.auth-footer{text-align:center;margin-top:var(--space-xl);color:var(--color-text-muted);font-size:var(--font-size-sm)}.auth-footer a{color:var(--color-primary-start);font-weight:var(--font-weight-medium);text-decoration:none;transition:var(--transition-fast)}.auth-footer a:hover{color:var(--color-primary-end);text-decoration:underline}#error-message{background:#f443361a;border:1px solid rgba(244,67,54,.3);color:#f44336;padding:var(--space-md);border-radius:var(--radius-md);margin-bottom:var(--space-lg);font-size:var(--font-size-sm);animation:fadeIn .3s ease-out}@media(max-width:480px){#signin-form{padding:var(--space-lg)}.logo-container img{width:100px}}