.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#667eea,#764ba2)}.login-box{background:var(--tg-theme-bg-color, #ffffff);border-radius:16px;padding:40px;width:100%;max-width:400px;box-shadow:0 10px 40px #0000001a}.login-box h1{text-align:center;margin-bottom:8px;color:var(--tg-theme-text-color, #000000)}.login-subtitle{text-align:center;color:var(--tg-theme-hint-color, #999999);margin-bottom:30px;font-size:14px}.login-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:600;color:var(--tg-theme-text-color, #000000);font-size:14px}.form-group input{padding:12px 16px;border:2px solid var(--tg-theme-secondary-bg-color, #e0e0e0);border-radius:8px;font-size:16px;background-color:var(--tg-theme-bg-color, #ffffff);color:var(--tg-theme-text-color, #000000);transition:border-color .2s}.form-group 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