.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 20s infinite;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.circle-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    right: -50px;
    animation-delay: 5s;
}

.circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.login-box {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 30px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 10;
}

.logo {
    text-align: center;
    margin-bottom: 40px;
}

.logo-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.logo h1 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-light);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 24px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    font-size: 20px;
    color: var(--text-light);
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px 14px 50px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(24, 144, 255, 0.1);
}

.toggle-password {
    position: absolute;
    right: 16px;
    cursor: pointer;
    font-size: 20px;
}

.remember-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-login:active {
    transform: translateY(0);
}

.login-footer {
    text-align: center;
    margin-top: 30px;
    color: var(--text-light);
    font-size: 14px;
}

.version {
    margin-top: 20px;
    font-size: 12px;
    color: var(--text-light);
}